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- Question 1 of 34
Which of the following is an endemic species?
In ecology, an endemic species refers to a species that is native to where it is found. A species can be endemic to a particular small geographical area, such as a single island, or to a larger area, such as a continent.
India has nine hornbill species, of which four are found in the Western Ghats: Indian Grey Hornbill (endemic to India), the Malabar Grey Hornbill (endemic to the Western Ghats), Malabar Pied Hornbill (endemic to India and Sri Lanka) and the widely distributed but endangered Great Hornbill.
- Question 2 of 34
Hypothermia occurs due to loss of excessive heat from body due to sudden low body temperature in:
Hypothermia occurs when human body loses heat faster than it can produce heat, causing a dangerously low body temperature. Normal body temperature is around 98.6 F (37 C). Hypothermia occurs as temperature falls below 95 F (35 C).
- Question 3 of 34
DPT vaccine is administered to prevent diseases like:
DPT is a combination vaccine to protect against Diphtheria, Tetanus and Pertussis (whooping cough).
- Question 4 of 34
The disease that has been eradicated from the world is:
Before smallpox was eradicated, it was a serious infectious disease caused by the variola virus.
- Question 5 of 34
The hormone used as an oral contraceptive is:
Oral contraceptives (birth control pills) are used to prevent pregnancy. Estrogen and progesterone are two female sex hormones. Combinations of estrogen and progesterone work by preventing ovulation (the release of eggs from the ovaries).
- Question 6 of 34
Pick out the correct match:
A raw yolk from one standard, large egg provides 2.70 g of protein 4.51 g of fat.
- Question 7 of 34
In dicots, the pollen grains possess:
Monocot and dicot plants have different pollen structures. In a monocot, the pollen grain produced by the flower has a single furrow or pore through the outer layer. In a dicot plant, the pollen grain has three furrows or pores.
- Question 8 of 34
Drug which helps to reduce anxiety and brings about calmness is:
The principal minor tranquilizers are the benzodiazepines, among which are diazepam (Valium), chlordiazepoxide (Librium), and alprazolam (Xanax). These drugs have a calming effect and eliminate both the physical and psychological effects of anxiety or fear.
- Question 9 of 34
A keel is absent in:
The huge muscles that power the wings attach to a flat part of the breastbone called the keel. Some flightless birds, including ostriches, do not have a keel.
- Question 10 of 34
Broad-spectrum antibiotics are produced by:
Narrow-spectrum antibiotics are active against a select group of bacterial types. Broad-spectrum antibiotics are active against a wider number of bacterial types. Streptomycetes produce over two-thirds of the clinically useful antibiotics of natural origin.
- Question 11 of 34
The pigment that protects plants from harmful effects of ultraviolet rays is:
Carotenoids protect the plant from UV (ultraviolet) damage.
- Question 12 of 34
Glycogen, starch and cellulose are polymers of:
Starch, glycogen and cellulose are all polymers of glucose. They differ in the type of glucose present and the bonds which link thr glucose monomers together.
- Question 13 of 34
Black death is:
Black Death was a devastating global epidemic of bubonic plague that struck Europe and Asia in the mid-1300s.
- Question 14 of 34
Certain desert lizards excrete their wastes in dry form. This serves as a means of:
This serves as a means of adaptation of the organism to the environment.
- Question 15 of 34
Kidney can be taken from a dying person who has the:
Tissues such as cornea, heart valves, skin, and bone can be donated in case of natural death but vital organs such as heart, liver, kidneys, intestines, lungs, and pancreas can be donated only in the case of ‘brain death’.
- Question 16 of 34
There is no life on Moon because it has no:
The Moon’s weak atmosphere and its lack of liquid water cannot support life.
- Question 17 of 34
Which of the following is meant for the ex-situ conservation of various species?
Ex-situ conservation is the technique of conservation of all levels of biological diversity outside their natural habitats through different techniques like zoo, captive breeding, aquarium, botanical garden, gene bank and Germplasm bank.
- Question 18 of 34
Drying oils contain a fairly large proportion of:
Drying oils consist of glycerol triesters of fatty acids. These esters are characterized by high levels of polyunsaturated fatty acids, especially alpha-linolenic acid.
- Question 19 of 34
The infective stage of malaria is:
The human-infective stage is sporozoites from the salivary gland of a mosquito. The sporozoites grow and multiply in the liver to become merozoites.
- Question 20 of 34
The red, orange and yellow colours of leaves are due to:
Carotenoids are pigments in plants, algae, and photosynthetic bacteria. These pigments produce bright yellow, red, and orange colors in plants, vegetables, and fruits.
- Question 21 of 34
Polar-bears hold cures for:
In the fasting state, bears begin urea recycling and start losing fat tissue, although they retain their lean body mass. Such a medicine might be effective in treating obesity, as well as type 2 diabetes associate with it.
- Question 22 of 34
The disease that kills more people than lung cancer as a consequence of air pollution is:
Emphysema is a condition that involves damage to the walls of the air sacs (alveoli) of the lung. Alveoli are small, thin-walled, very fragile air sacs located in clusters at the end of the bronchial tubes deep inside the lungs.
- Question 23 of 34
Photosynthetic vesicle found in bacteria is called a:
In some forms of photosynthetic bacteria, a chromatophore is a coloured, membrane-associated vesicle used to perform photosynthesis. They contain different coloured pigments. Chromatophores contain bacteriochlorophyll pigments and carotenoids.
- Question 24 of 34
Saliva helps in the digestion of:
Saliva contains special enzymes that help digest the starches in your food. An enzyme called amylase breaks down starches (complex carbohydrates) into sugars, which your body can more easily absorb.
- Question 25 of 34
The longest bone in the human body is:
- Question 26 of 34
The constituents of automobile exhaust that can cause cancer is/are:
- Question 27 of 34
The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organisms is:
- Question 28 of 34
White lung disease is prevalent among the workers of:
- Question 29 of 34
Iodoform is used as an:
- Question 30 of 34
An artificial ecosystem is represented by:
- Question 31 of 34
An example of false fruit is:
- Question 32 of 34
Normal fasting blood sugar level per 100 mL of blood in man is
- Question 33 of 34
The vector of disease sleeping sickness is
- Question 34 of 34
For how many year have the dinosaurs been extinct?