Tnpsc Biology interview questions

In pyramid of numbers, the wide base of the pyramid represents

1. Grasses
2. Rabbits
3. Foxes
4. Lion

The number of Tiger sanctuaries in India is

1. 23
2. 87
3. 200
4. 447

The number of wild life sanctuaries in India is

1. 23
2. 87
3. 200
4. 447

The number of zoological gardens in India is

1. 23
2. 87
3. 200
4. 447

Citrus canker is caused by a

1. Nematode
2. Virus
3. Fungus
4. Bacterium

 The ecosystem, which includes seas, oceans etc, is

1. Lentic
2. Artificial
3. Lotic
4. Marine

The law based on the dihybrid cross

1. Law of dominance
2. Law of Independent assortment
3. Law of segregation
4. Law of purity of gametes

Fertilization results in the formation of

1. Zygote
2. Embryo
3. Blastula
4. Gastrula

Antigens are the toxic substances released by

1. Intermediate host
2. Vector
3. Pathogen
4. Host

Photosynthesis fixes energy in the form of

1. A.T.P
2. ADP
3. D.P.T
4. Protons

Which of the following is a bisexual animal?

1. Paramecium
2. Tapeworm
3. Man
4. Hydra

The most common form of T.B. is

1. Kidney T.B.
2. Liver T.B.
3. Lung T.B.
4. Blood T.B.

The substances produced in response to antigen is

1. Antibiotics
2. Antibody
3. Fibrinogen
4. Globulin

Larger fish and water snakes in a pond are

1. Decomposer
2. Primary consumer
3. Secondary consumer
4. Tertiary consumer

Which of the following is a nitrogen fixing bacteria?

1. Bacillus circulans
2. Glomus
3. Gigaspora
4. Rhizobium

Sugarcane is a

1. Garden crop
2. Food crop
3. Field crop
4. Cash crop

Foot and Mouth Disease is found in

1. Cats and dogs 
2. Poultry
3. Humans
4. Cattle

Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body?

1. Right Auricle
2. Left Auricle
3. Left Ventricle
4. Right Ventricle

The vitamin which is very liable and easily destroyed during cooking as well as storage is

1. Vitamin A
2. Vitamin C
3. Vitamin D
4. Vitamin E

The star fish is the name of

1. Marinearchin
2. Holothuria
3. Asterias
4. Antidon

Which one of the following is a one seeded berry?

1. Cashew nut
2. Date
3. Paddy
4. Mango

Which gives the mechanical strength to the stem of the plant?

1. Cuticles
2. Vascular system
3. Collenchymas cells
4. Paranchymatous cells

The outer body covering in Euglena is

1. Pericardium
2. Pleura
3. Cell wall
4. Pellicle

Beetles and Caterpillars can be killed by using

1. Machines
2. Algae
3. Fungi
4. Bacteria

This is known as bio fertilizer

1. Glomus
2. Bacillus circulars
3. Oscillatoria
4. Blue green algae

Based on cultivation, which season has January sowing?

1. Adippattam
2. Chittiraippattam
3. Thaipattam
4. Purattasippattam

Which group of organism in an aquatic ecosystem contains the largest amount of energy?

1. Top carnivores
2. Producers
3. Primary consumers
4. Herbivores

Carnivores, the secondary consumers are at the

1. First tropic level
2. Second tropic level
3. Third tropic level
4. Fourth tropic level

Cow milk is a rich source of

1. Vitamin A
2. Vitamin B
3. Vitamin C
4. Vitamin B1

Which of the following is a cold blooded?

1. Frog
2. Fish
3. Lizard
4. All of these