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AIIMS (All India Institute of Medical Sciences) Biology: Questions 264 - 270 of 467

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Question 264

Question MCQ▾

In mammals, the tracheal cartilaginous rings are

Choices

Choice (4)Response

a.

Incomplete dorsally

b.

Complete rings

c.

Incomplete laterally

d.

Incomplete rings

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Question 265

Question MCQ▾

What is common among amylase, rennin and trypsin?

Choices

Choice (4)Response

a.

These all are proteolytic enzymes.

b.

These all are proteins.

c.

These act at a pH lower than 7.

d.

These are product in stomach.

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Question 266

Appeared in Year: 2009

Question MCQ▾

For good growth of pollen tube necessary element is [CGPMT]

Choices

Choice (4)Response

a.

Ca

b.

B

c.

Mo

d.

Mg

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Question 267

Question MCQ▾

A small space called … lies in between the two lungs.

Choices

Choice (4)Response

a.

Mediastinum

b.

Cardiac notch

c.

Bronchioles

d.

Alveoli

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Question 268

Appeared in Year: 2006

Question MCQ▾

Meiosis can be observed in [Bihar]

Choices

Choice (4)Response

a.

Megaspores

b.

Microspores

c.

Spore mother cells

d.

Tapetal cells

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Question 269

Question MCQ▾

Open vascular system is found in

Choices

Choice (4)Response

a.

Prawn

b.

Snake

c.

Man

d.

Fish

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Question 270

Appeared in Year: 2002

Question Assertion-Reason▾

Assertion(Ꭺ)

Death is regarded as the most regulatory process on earth.

Reason(Ꭱ)

It avoids over- crowding caused by continuous reproduction

Choices

Choice (4)Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are false

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is true but Ꭱ is false

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