Biology interview questions

The cell division that restores chromosome number constant in further generation is

1. Amitosis
2. Mitosis
3. Meiosis
4. Direct division

Hansen’s disease is

1. Leprosy
2. T.B.
3. Cholera
4. Bronchitis

Which of the following is a fungi helping the plants in absorption of nutrients?

1. Agaricus
2. Anabaena
3. Gigaspora
4. Rhizobium

Rate of photosynthesis and amount of o2 get reduced in

1. Deposition
2. Deforestation
3. Carbon assimilation
4. Carbon compound synthesis

HIV virus is a

1. Grams virus
2. Retro virus
3. Rota virus
4. D.N.A virus

1 gm of carbohydrate gives energy which is about

1. 2.5 k cal
2. 4 k cal
3. 4.2 k cal
4. 8.1 k cal

At the time of sneezing which part of human body stops functioning?

1. Kidney
2. Eyes
3. Lungs
4. Heart

Children grow faster in the

1. Rainy season
2. Summer season
3. Winter season
4. Spring season

Which one of the following is caused by the expression of a recessive gene present on sex chromosome?

1. Muscular dystrophy
2. Rheumatism
3. Nervous shock
4. Cerebral hemorrhage

Chemically silk fibres are predominantly

1. Carbohydrate
2. Complex lipid
3. Mixture of polysaccharide and fast
4. Protein

The term Fauna means

1. Animal kingdom
2. Plant kingdom
3. Neither
4. Both

In which one of the following kinds of organisms is the phenomenon found wherein the female kills the male after copulation?

1. Dragonfly
2. Honeybee
3. Pit viper
4. Spider

In rice cultivation, which of the following seasons occurs between June and July

1. Samba
2. Kar
3. Thaladi
4. Kuruvai

The fifth tropic level consists of

1. Decomposers
2. Plants
3. Carnivores
4. Tertiary consumers

Deltoid muscles are found in

1. Back of the upper arm
2. Front of the upper arm
3. Shoulder
4. Chest

The epidermis of root is called

1. Pericycle
2. Stele
3. Rhizodermis
4. Casparian trips

The length of the human alimentary canal is

1. 7 meters
2. 8 meters
3. 9 meters
4. 10 meters

The lungs are enveloped by

1. Sarcolemma
2. Pleura
3. Epidermis
4. Pericardium

The folding of cerebral cortex are

1. Thalamus
2. Pons
3. Sulci
4. Gyri

The anti-malarial drug Quinine is made from a plant. The plant is?

1. Cinnamon
2. Cinchona
3. Eucalyptus
4. Neem

In which of the following structure the human body vermiform appendix is included

1. gall bladder
2. large intestine
3. small intestine
4. stomach

Which component of plants receives stemulus for flowering?

1. Stem
2. Leaves
3. Root
4. branches

Mosquito can be a vector for following diseases except

1. Yellow fever 
2. Dengue fever
3. Kala azar
4. Filaria

The maximum fixation of solar energy is done by

1. Bacteria
2. Green plants
3. Protozoa
4. Fungi

The power houses of the cell are

1. Golgi bodies
2. Lysosome
3. Mitochondria
4. Ribosome

The factory product, which causes the blood cancer, is

1. Benzene
2. Plastics
3. Asbestos
4. Arsenic

The structures that give mechanical strength to young plants are

1. Starch sheath
2. Xylem fibers
3. Cambium
4. Xylem vessels

The Cerebral medulla is made up of

1. Vermis
2. Thalamus
3. Grey matter
4. White matter

The cerebral cortex is made up of

1. Vermis
2. Thalamus
3. Grey matter
4. White matter

The spinal cord extends upto

1. Sacral vertebrae
2. Lower thoracic vertebrae
3. Lower lumbar vertebrae
4. Upper lumbar vertebrae