Biology (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 6 - 8 of 63

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 828 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 400.00 or

Question number: 6

» Biology » Plant and Animal Nutrition

Appeared in Year: 2013

MCQ▾

Question

Photosynthesis in an aquatic plant was measured by counting the number of O2 bubbles coming out of the cut end of the plant. What will happen to O2 production if you use a pipe blow air from your mouth into water in the beaker?

A beaker containing water and plant in it

A Beaker Containing Water and Plant in It

Find that what happens to O2 production it pipe is be used for blow air.

Choices

Choice (4) Response

a.

Bacteria from mouth will infect plant. Hence, reduction in O2 production

b.

Air from mouth contains CO2 which is utilised in photosynthesis. Hence, increase in O2 production

c.

Water is already in contact with air. Hence, air from mouth will have no effect

d.

Air from mouth contains O2 which is being added to the plant. Hence, increase in O2 production

Question number: 7

» Biology » Human Body

MCQ▾

Question

What would happen to the person, if cerebellum of his brain is damaged?

Choices

Choice (4) Response

a.

He will not be able to swallow food properly

b.

He will be unable to coordinate and stand properly

c.

He will lose his powers of vision and hearing

d.

He will lose his memory power

Question number: 8

» Biology » Human Body

MCQ▾

Question

A person with blood group A can donate blood to the persons with blood group A or ‘AB’ because it

Choices

Choice (4) Response

a.

has only A anti-gen and B anti-bodies

b.

has only B anti-gen and A anti-bodies

c.

does not have any anti-gens and anti-bodies

d.

has A and B anti-gens

Sign In