Biology | General Science | NDA Previous Year Questions

Which one of the following statements is not correct?

Which one of the following is useful in paper manufacturing industry?

Which one of the following is not a greenhouse gas?

Muscle fatigue is due to the accumulation of

Living things are grouped into subgroups like plant kingdom/animal kingdom. Which one of the following is not correct for animal kingdom?

In blood, platelets are required for

Which one of the following is not a place of action in human body for the malarial parasite Plasmodium?

Who among the following discovered antibiotic producing fungus from Penicillium genus?

Which one of the following is not an example of eukaryotic organism?

Which one of the following vitamins is synthesised in our own skin?

Carbon and energy requirements of autotrophic organisms are fulfilled by

The genetic material of bacteria is found in

A horse and donkey can breed to produce mule, which is an infertile animal. The infertility is because horse and donkey belong to different.

A plant having yellow leaves with dead spots has the deficiency of

Consider the following statements about cactus.

1. The leaves are reduced to spines.

2. The stem does the photosynthesis.

Which of the statements given above is/are correct?

In which one of the following methanogens, i.e. methane producing bacteria are not present?

Malarial parasite is a

It is difficult to kill viruses because they

To prevent heart problems, blood of a normal healthy person should have

1. low cholesterol level

2. high HDL level

3. high VLDL level

4. high LDL level

Select the correct answer using the codes given below

Spruce and cedar are tree varieties of

'Sal' tree is a

Which of the following pairs of vector and disease is/are correctly matched?

Image

Select the correct answer using the codes given below

Consider the following statements.

1. All echinoderms are not marine.

2. Sponges are exclusively marine.

3. Insects are found in all kinds of habitats.

4. Many primates are arboreal.

Which of the statements given above is/are correct?

Which of the following statements about DNA is/are correct?

1. DNA is the hereditary material of all living organisms.

2. All segments of DNA code for synthesis of proteins.

3. Nuclear DNA is doubled helical with two nucleotide chains which run anti-parallel.

4. DNA is also found in mitochondria.

Select the correct answer using the codes given below

Which of the following statements are correct for honeybee?

1. Males are haploid.

2. Workers are sterile and diploid.

3. Queen develops from diploid larvae that fed on Royal jelly.

4. Honey is collected/made by males.

Select the correct answer using the codes given below

Statement I . Plantation farming has mostly been practised in humid tropics.

Statement II. The soil of humid tropics is highly fertile.

Which one of the following vitamins has a role in blood clotting?

The term 'Probiotic' is applied to

Which one of the following microbes causes acidification and curdling of milk?

Who among the following shared the Nobel Prize in 1962 along with Francis Crick and James Watson for their discoveries concerning the molecular structure of nucleic acids?

Tendons through which muscles are connected to bones are tightly compacted bundles of which one of the following long fibrous protein?

Which one of the following is the scientific name of the causal organism of elephantiasis?

Melanin is the natural pigment that gives colour to human skin, hair and the iris provides protection against

Intake of which one of the following food components should be minimised by patients having gouty arthritis due to elevated serum uric acid level?

Which one of the following statements about microbes is not correct?

Golden rice is a genetically modified crop plant where the incorporated gene is meant for biosynthesis of

Cell wall of any fungus is different from plants in having

Sleeping sickness is a parasitic disease of humans and other animals. It is caused by

Dengue virus causes high fever, rashes and reduces the number of particular type of blood cells. Those blood cells are

Kidney secretes an enzyme, which changes plasma protein angiotensinogen into angiotensin. The enzyme is

Red Blood Cells (RBCs) have

Which one of the following statements is not correct?

Sugarcane is one of the important cash crops in India. It is grown to obtain

The colourful part of the sunflower or marigold plant is

Statement I Phytoplanktons produce most of the organic carbon in the ocean.

Statement II Algae are produced in the cold water biome.

Which one of the following groups of cellular organelles contains DNA?

One of the additional function of Smooth Endoplasmic Reticulum (SER) is

Damage to the apical meristem of a growing young plant will affect the

Which one of the following kingdom(s) has/have only unicellular organisms?

Which one of the following is a waterborne disease?

The acidic, semidigested food coming out of the stomach is neutralised by

The oxygenated food from the lungs is received by

The oxygen evolved during photosynthesis comes from splitting of

Which one of the following depicts the correct circuit of a reflex arc?

If one set of chromosomes for a given plant is represented as n; in case of double fertilisation, the zygote and the endosperm nucleus of a diploid plant would have how many sets of chromosomes, respectively?

AIDS is caused by a virus whose genetic material is

Which one of the following organelles is not found in prokaryotic cells?

Which one of the following parts of body does not take part in the process of breathing?

Which one of the following statements about classification of plants is correct?

Which one of the following is the correct sequence of levels of hierarchy of classification of organisms from higher to lower?

Which one of the following statements about meristematic tissues in plants is correct?

Which one of the following elements is needed in the human body to transfer electrical signals by nerve cells?

Who among the following first discovered cell?

Which one of the following group of organisms forms a food chain?

Which one of the following types of tissues will have contractile proteins?

If by an unknown accident the acid secreting cells of the stomach wall of an individual are damaged. Digestion of which one of the following biomolecule will be affected to a greater extent?

The accidental touch of nettle leaves creates a burning sensation, which is due to inject of

Blood is a type of

Mitochondria are able to produce their own

Which one of the following statements is correct?

Who among the following popularised the use of embryological characters in taxonomy?

Which one of the following is the major constituent of biogas?

Thyroid gland produces a hormone called 'thyroxine' which

Which one of the following is a bacterium that causes disease in the human body?

Which one of the following statements regarding viruses is not true?

Which one of the following diseases may be caused by the deficiency of vitamin-C?

Which one of the following cell organelles does not possess nucleic acid?

Which one of the following cell organelles does not posses its own genetic material encoding proteins?

Which one of the following is not a component of conducting tissue in plants?

Which one of the following organisms has vascular tissues?

Which one of the following organisms represents the primary consumer category in an ecosystem?

As per the code of the nomenclature, which one of the following is the correct way of writing a biological name?

Which one of the following statements regarding electrocardiogram is correct?

Which one of the following statements regarding penicillin is correct?

Which one of the following organelles of mammalian cell is rich in hydrolytic enzymes?

Which one of the following statements regarding cholera is correct?

The lactic acid that gets accumulated in the muscle cells during rigorous exercise causing muscle cramps is produced from

A chain of peptide containing linear sequences of amino acid linked by peptide bonds best represent the

Cambium is an example of

Which is the correct base pairing found in a normal DNA molecule?

Clotting of blood involves which one among the following clotting proteins?

Initial discovery of antibiotic penicillin was done by

The vector of malaria parasites is

Which of the following pairs is/are correctly matched?
1.Malaria : Mycobacterium
2.TB : Plasmodium
Select the answer using the code given below:

Vitamin B1 is also known as

Which of the following statements regarding animal cell membrane is correct?

Which of the following is not a part of compound microscope?

Which one of the following is the correct sequence in increasing complexity?

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Consider the following cell types :

1. Monocyte

2. Chondrocyte

3. Basophil

4. Lymphocyte

How many of the above belong to animal cell types?

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In the human digestive system, which one among the following is the role of the pancreas?

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Consider the following statements :

1. DNA replication takes place when chromatin is opened up.

2. Chromatin organises itself into rod-shaped chromosomes before cell division.

3. Both prokaryotes and eukaryotes have the same process for cell division.

Which of the statements given above is/are correct?

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Human body works in the pH range of :

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Leaves of most plants appear green because the chlorophyll present in it :

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In most prokaryotes, the chromosome number is:

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Bacterial DNA is referred to as naked because it is not associated with:

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Which one among the following cells produces antibodies against a foreign antigen?

The green plants in a terrestrial eco-system absorbs sunlight that falls on their leaves and convert it into food energy. The percentage of solar radiation absorbed by all green plants for the process of photosynthesis is about

108

The two important features of sexual reproduction in higher organisms that create genetic diversity in offspring are

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Eukaryotic cells are much more complex as compared to prokaryotes. Which one of the following structures is exclusively present in a eukaryotic cell?

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An important cause of tooth decay by the bacterium Streptococcus mutans is because of their ability to attach to teeth surface by producing slime layer from

111

In angiosperms, pollen grain germinates to produce two male gametes. Which one of the following functions is carried out by these gametes?

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In a sexually reproducing organism, which one of the following statements is appropriate both for the parent and offspring?

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Relationship between a flower and honey-bee will help the flower for/in

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Which one of the following is NOT a requirement for photosynthesis?

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In flowering plants, DNA content of the parent plant gets halved during

116

Which one of the following is the correct sequence during sexual reproduction in Angiosperms?

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Which one of the following combina- tions of events represents the correct sequence during reproduction in flowering plants?

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Consider the following statements regarding cell wall composition :

1. Bacterial cell wall is made of peptidoglycan.

2. Fungal cell wall is made of cellulose.

3. Animals lack cell wall and have extracellular matrix made up of sugar and proteins.

Select the correct answer using the code given below:

Which one of the following structures is not present in a prokaryotic cell?

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In a plant cell, which one of the following contains their own DNA?

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One advantage of sexual reproduction over asexual reproduction is that it helps species to survive over long evolutionary time. This is because sexual reproduction produces :

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Which one of the following structures or components is not always present in living cells?

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Browning of the chopped apple can be minimized by :

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Among the following, which is not the correct method for keeping the curd?

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Organisms capable of using CO₂ as principal carbon source are called:

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When yeast cells are O₂ starved, fermentation serves as the source of energy. This results in the production of:

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During a laboratory experiment, a student immerses epidermal leaf peel in a hypertonic solution. After some time, the student examined the cells under a microscope and observed that:

128

Which one of the following is not a characteristic feature of fungi?

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Which one of the following statements about bryophytes is not correct?

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The transfer of electrical signals by nerve cells in human body is enabled by

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Which one of the following hormones increases the heartbeat in mammals?

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The digestion of fat in human intestine is performed by

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Which one of the following statements about animal cells and plant cells is correct?

134

Lymph is a tissue fluid present in intercellular spaces. It resembles to

135

The breakdown of glucose in cytoplasm results in the formation of

136

The protein-digesting enzyme secreted by the stomach wall in case of mammals is called

137

Which one of the following will be resulted when an animal cell is surrounded by a medium with lower concentration of water?

138

The digestive enzymes are present in

139

After fertilization, the fruit and the seed are produced by

140

The part of the human ear that converts the pressure variations associated with audible sound waves to electrical signals is

141

The International Union for Conservation of Nature (IUCN) has recently categorized the Red Sanders (Red Sandalwood) into

142

Select the correct answer using the code given below.

143

Which of the following statements about living and non-living being is/are correct?

1. While living being can demonstrate growth and repair, non-living being cannot.

2. While living being demonstrates metabolic processes, non-living being does not.

Which one of the following plant plastids stores starch, oil and protein granules?

144

Which one of the following statements about vacuoles' is not correct?

145

In aquatic plants, large air sacs give them buoyancy effects. These sacs are surrounded by which one of the following types of tissues?

146

Which one of the following belongs to 'Pisces'?

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Which one of the following groups is called 'amphibians of plant kingdom'?

148

Which one of the following is caused by a bacterial pathogen?

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Which one of the following is the mechanism of action of oral contraceptive pills?

Which one of the following plants has unisexual flowers?

151

A cell is unable to synthesize lipids. Which of its cell organelles might be defective?

152

If human blood is placed in a 2% detergent solution, what will happen to the RBC?

153

The major source of vitamins and minerals for vegetarians is

154

Keppel Island is completely bleached mainly due to the expansion of

155

During seed germination, the part of the embryo which grows into root is

156

In a typical flower, germinating pollen grains pass through several parts of the gynoecium before they reach the ovule. A list of the parts of gynoecium is given below in different combinations. Choose the combination that represents the correct sequence of pollen tube pathway/journey:

157

Movement of materials to different parts of cytoplasm and nucleus is generally carried out by

158

In mitochondria, ATP synthesizing chemical reaction take place in the

159

Squamous epithelial cells are found in the inner lining of

160

Transformation of meristematic cells into specific permanent tissues occurs by the process of

161

The gaseous product of a process in plants is a requirement for another vital process that releases energy. Given below are four combinations of the process and product. Identify the correct answer.

162

In a dicot pot herb, vaseline/vegetable oil was applied on the upper surface of one leaf (Experimental leaf 1) and on the lower surface of another leaf (Experimental leaf 2). Vaseline/Vegetable oil was not applied to the control leaf. The plant was deliberately not watered for several days. Which leaf will dry up last?

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