Tnpsc Biology interview questions – page 3

The microscope was first used by

1. Purkinje
2. Robert Hooke
3. Antony Van Leuwenhoeck
4. Robert Brown

The largest glandular organ in human body is

1. Small intestine
2. Liver
3. Mouth
4. Pancreas

The central portion of the stem which is the storage of food is

1. Cuticle
2. Pith
3. Bundle cap
4. Endarch

Ferns belong to the group of plants called

1. Pteridophyta
2. Thallophyta
3. Gametophyte
4. Protozoa

An example for berry fruit is

1. Bean
2. Date
3. Paddy
4. Wheat

The vitamin which is generally excreted by humans in urine is

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

Which among the following two German scientists were proposed the cell theory?

1. Robert Cooke
2. Theodor Schwann and Matthias Jakob Schleiden
3. Mendel and Darwin
4. Virchow and Purkinje

How many chromosomes do the human cell contains?

1. 29
2. 38
3. 46
4. 52

Who discovered the electron microscope.

1. Robert Hooke
2. CP Swanson
3. Rudolf and Kolliker
4. Max Knoll and Ernst Ruska

Desert plants would be characterised by

1. Aerenchyma
2. Aerial roots
3. Sunken stomata
4. Vivipary

The universal donor belongs to blood group

1. O
2. A
3. B
4. AB

Which of the following is a field crop?

1. Onion
2. Cotton
3. Tea
4. Brinjal

Oriza sativa is the botanical name for

1. Onion
2. Rice
3. Cotton
4. Wheat

Which of the following is a cash crop?

1. Cotton
2. Pulses
3. Mango
4. Paddy

Which of the following is a macronutrient?

1. Chlorine
2. Potassium
3. Copper
4. Zinc

Which of the following is a micronutrient?

1. Copper
2. Potassium
3. Nitrogen
4. Calcium

The disease hydrophobia is caused by

1. Bacteria
2. Virus
3. Protozoa
4. Fungi

Phosphorus is essential for the synthesis of

1. Carbohydrates
2. ADP
3. A.T.P.
4. R.N.A

In a forest primary carnivores are

1. Micro consumers
2. Tertiary consumer
3. Primary consumer
4. Secondary consumer

Biotic and abiotic factors together constitute

1. Habitat
2. Habit
3. Community
4. Ecosystem

The basic functional unit of biosphere is

1. Ecosystem
2. Ecological niche
3. Habit
4. Biome

Tobacco mosaic is caused by a

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

The plant used by Mendel for his researches is

1. Algae
2. Beans
3. Peas
4. Musa

Which method is not applicable for treatment of cancer

1. Chemotherapy
2. Vaccination
3. Laser therapy
4. Hormone therapy

The first cell of saprophytic generation is

1. Egg cell
2. Prothallus
3. Spore
4. Zygote

The muscles located in the Front portion of the upper arm is

1. Pectorals
2. Calves
3. Triceps
4. Biceps

The mid brain is connected with the medulla oblongata by

1. Corpus callosum
2. Corpora vuadrigemina
3. Pons varoli
4. Pons cerebella

Which type of cell division is common among unicellular organisms?

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

Checker board was first used by

1. Punnet
2. Mendal
3. Correns
4. Tschermak