Subject SAT (College Board) Biology: Questions 613 - 619 of 805

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Question number: 613

» Mendel and Hereditary

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MCQ▾

Question

Cross between AaBB and aaBB will form

Choices

Choice (4) Response

a.

1 AaBB: 3 aaBB

b.

1 AaBB: 1 aaBB

c.

All AaBB

d.

3 AaBB: 1 aaBB

Question number: 614

» Cell

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MCQ▾

Question

ATP is injected in cyanide poisoning because it is

Choices

Choice (4) Response

a.

ATP breaks down cyanide

b.

Necessary for working of sodium potassium pump

c.

Necessary for cellular functions

d.

All of the above

Question number: 615

» Mendel and Hereditary

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MCQ▾

Question

In a cross between AABB x aabb, the ratio of F2 genotypes between AABB, AaBB, Aabb and aabb would be?

Choices

Choice (4) Response

a.

7: 5: 3: 1

b.

9: 3: 3: 1

c.

2: 1: 1: 2

d.

1: 2: 2: 1

Question number: 616

» Mendel and Hereditary

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MCQ▾

Question

Number of chromosomes meiosis maintains is

Choices

Choice (4) Response

a.

Same

b.

6n

c.

2n

d.

4n

Question number: 617

» Organization and Regulation

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MCQ▾

Question

Which element is located in the centre of porphyrin ring in the structure of chlorophyll?

Choices

Choice (4) Response

a.

Calcium

b.

Manganese

c.

Magnesium

d.

Potassium

Question number: 618

» Mendel and Hereditary

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MCQ▾

Question

Two linked genes a and b show 20 % recombination, the individuals of a dihybrid cross between ++/++ x ab/ab shall show gametes

Choices

Choice (4) Response

a.

++ 80: ab: 20

b.

++ 30: ab 30: + a 20: + b: 20

c.

++ 50: ab: 50

d.

++ 40: ab 40: + a 10: + b: 10

Question number: 619

» Mendel and Hereditary

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MCQ▾

Question

An allele is dominant if it is expressed in

Choices

Choice (4) Response

a.

Homozygous and heterozygous circumstances

b.

Third generation

c.

Homozygous combination

d.

Heterozygous combination

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