Subject SAT (College Board) Biology: Questions 282 - 286 of 830

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Question 282

Question

MCQ▾

Bryophytes grow in moist and shady habitats because

Bryophytes Grow in Moist

Choices

Choice (5)Response

a.

Water absorbing system is absent

b.

They cannot grow on lands

c.

They require water for fertilization

d.

They are aquatic

e.

Question does not provide sufficient data or is vague

Question 283

Question

MCQ▾

Agar-agar commonly used in bacterial cultures and medication is obtained from

Choices

Choice (5)Response

a.

Ulva

b.

Sargassum

c.

Ulothrix

d.

Gelidium

e.

All of the above

Question 284

Question

MCQ▾

Single stranded unpaired extensions formed by restriction enzyme upon cleavage is called as

Choices

Choice (5)Response

a.

flush ends

b.

blunt ends

c.

sticky ends

d.

All of the above

e.

Question does not provide sufficient data or is vague

Question 285

Question

MCQ▾

A somatic cell dividing mitotically, undergoes karyokinesis but fails to undergo cytokinesis. The resultant will have

Choices

Choice (5)Response

a.

2 diploid nuclei

b.

1 diploid nuclues

c.

2 haploid nuclei

d.

1 tetraploid nucleus

e.

Question does not provide sufficient data or is vague

Question 286

Question

MCQ▾

How many successive generations of mitosis must occur to produce 256 cells?

Choices

Choice (5)Response

a.

7

b.

128

c.

256

d.

8

e.

All of the above

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