Gentics and Evoloution MCQ question and answer with solution

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Each section contains 100 MCQs on Gentics and Evoloution .

Select the wrong pair.

A) Oparin - Probiont B) Spallanzani - Approve abiogenesis C) Haldane - Hot dilute soup D) Fox - Coacervates

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Assertion (A) In human beings, the female play a major role in determining the sex of the offspring.
Reason (R) Women have two X-chromosomes.

A) Both A and R are true and R is the correct explanation of A B) Both A and R are true, but R is not the correct explanation of A C) A is true, but R is false D) A is false, but R is true

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

In the context of organic evolution, the loss of limbs in snakes is explained by the phenomenon of

A) use and disuse of organs B) adaptation to living in burrows C) natural selection D) inheritance of acquired characters

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The minimal oxygen partial pressure above which oxidative metabolism can take place in aerobic organisms is called

A) Activation point B) Pasteur point C) Equilibrium point D) Absolute point

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

According to Lillie, where twins of opposite sex are born;

A) Male is abnormal and female is sterile with many male characters B) Male is normal and female is sterile with many male characters C) Both male and female are normal D) Femaleis normal and the male is sterile with many female characters

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The widely accepted model of protocell was provided by Fox by

A) Preparing protenoid microspheres from polymers B) Presenting the protenoid microspheres as the models of protocells C) Preparing vesicles from proteins and lipids present in the microspheres D) All of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The DNA binding proteins bind preferentially to single strands of DNA and

A) Promote denaturation of single stranded DNA B) Promote maturation of Okazaki fragments C) Promote denaturation of double helical DNA D) Both A and B

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The benefits of genetic engineering include

A) Improvement in photosynthesis B) Conversion of cereals into nitrogen fixing plants C) Production of transgenic plants in wheat, maize and other crop plants D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Hereditary characteristics are passed on from parent to the offspring chiefly through

A) genes B) enzymes C) gametes D) centrosome

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

100

Gene for colour blindness is located on

A) Y-chromosome B) 13^th chromosome C) X-chromosome D) 21^st chromosome

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Gentics and Evoloution MCQ question and answer with solution | Biology Gk MCQs