RRB Group D Biology Quiz- I

Question 1:

A person with color blindness cannot recognize which color?

Green

Red

Both 1 and 2

Yello

Question 2:

Locomotory organ of a starfish is-

Tube feet

Paddle

Muscular foot

Flipper

Question 3:

What is cause of down syndrome?

18th chromosome deficiency

abundance of chromosomes

13st chromosome deficiency

an extra chromosom

Question 4:

If a color blind man is married to a normal woman, what will be the characteristics of the children in his first generation?

All children be normal

Two children be normal

Two children be abnormal

All children be abnormal

Question 5:

The disease Beri Beri is caused due to the deficiency of which of the following?

Vitamin A

Vitamin C

Vitamin B12

Vitamin B1

Question 6:

Which One Is Sexual Spore?

Ascospore

zygospore

basidiospore

all of the avobe

Question 7:

Which of the following is incorrectly matched?

Food spends 2-6 hrs. in the stomach.

Food spends 7-8 hrs. in the small intestine.

Food spends 4-72 hrs. in the large intestine.

Food spends 8sec. in esophagus.

Question 8:

Who is the author of the book 'Origin of Species'?

Norman R.

Richard

Mark

Darwin

Question 9:

Hashish is obtained from a plant. From which part of the plant is it obtained?

Leaves

Stem

Female inflorescences

Roots

Question 10:

Which of the following is correct about micro consumer?

Herbivores

Omnivores

Carnivores

Decomposers