NSO Level 1- Science Olympiad (SOF) Class 12: Questions 38 - 41 of 60

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Question number: 38

» Biology » Genetics and Evolution

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MCQ▾

Question

Which of the following plant hormone is responsible for increase in transcription of protease and amylase and are present in aleurone layer of barley?

Choices

Choice (4)Response

a.

Auxin

b.

Cytokinin

c.

Gibberellin

d.

Ethylene

Question number: 39

» Biology » Genetics and Evolution

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MCQ▾

Question

A woman has a rare abnormality of eyelids called ptosis which does not let her open her eyes completely. The condition has been found to depend on a single dominant gene. The woman’s mother has normal eyelids but her father has ptosis. Her father’s mother had normal eyelids.

From the given options which option is correct for the given paragraph?

Choices

Choice (4)Response

a.

Parents of woman have heterozygous genotypes.

b.

Homozygous recessive genotype is present in woman.

c.

Homozygous recessive genotype is present in woman’s father.

d.

Homozygous recessive genotype is present in woman’s mother.

Question number: 40

» Biology » Ecology

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MCQ▾

Question

Where can we expect to find seed if it is defined as an ovule that is modified because of fertilization?

Choices

Choice (4)Response

a.

All vascular plants

b.

Phanerogams

c.

Only in Gymnosperm

d.

Only in Angiosperm

Question number: 41

» Biology » Biotechnology

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MCQ▾

Question

Choose the correct enzyme – substrate pair.

Choices

Choice (4)Response

a.

Protein – Amylase

b.

Maltase - Lactose

c.

Rennin – Caesin

d.

Carbohydrate – Lipase

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