Biology - Comprehensive Mock Test 4

Question 31 Hard

In gene therapy of Adenosine Deaminase (ADA) deficiency, the patient requires periodic infusion of genetically engineered lymphocytes because

A) Gene isolated from marrow cells producing ADA is introduced into cells at embryonic stages B) Lymphocytes from patient's blood are grown in culture, outside the body. C) Genetically engineered lymphocytes are not immortal cells. D) Retroviral vector is introduced into these lymphocytes

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Question 32 Medium

Which of the following is not the function of conducting part of respiratory system

A) Clears the air from foreign particles. B) Humidifies the air. C) Brings the air to body temperature. D) It is the site of diffusion of oxygen and carbon dioxide.

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Question 33 Medium

Identify the microorganism which is responsible for the production of an immunosuppressive molecule cyclosporine A

A) Streptococcus cerevisiae B) Aspergillus niger C) Clostridium butylicum D) Trichoderma polysporum

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Question 34 Hard

In an E Coli strain i gene gets mutated and its product can not bind the inducer molecule If growth medium is provided with lactose, what will be the outcome

A) z, y, a genes will be transcribed B) z, y, a genes will not be translated C) RNA polymerase will bind the promoter region D) Only z gene will get transcribed

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Question 35 Easy

The specific gravity of lipid is

A) 1.5 B) 1 C) 0.8 D) 0.2

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Question 36 Easy

The actual genetic section of a sperm is its

A) Acrosome B) Tail C) Middle piece D) Head

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Question 37 Medium

The number of spermatozoa a single primary spermatocyte finally produced in spermatogenesis is

A) 2 B) 4 C) 6 D) 8

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Question 38 Medium

The number of chromosomes a child with Down syndrome has is

A) 45 B) 46 C) 47 D) 48

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Question 39 Medium

In aerobic respiration, total number of ATP molecules formed from 1 glucose molecule is

A) 28 B) 32 C) 36 D) 30

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Question 40 Easy

Chipko revolution is related with

A) Soil conversation B) Water conversation C) Forest conversation D) Gene conversation

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