Biology - Mock Test 17

Question 161

Breeding crops with higher levels of vitamins and minerals or higher proteins and healthier fats is called

A) Bio-remediation B) Bio-fortification C) Bio-accumulation D) Bio-magnification

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Question 162

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 163

Which of the following is a correct match for disease and its symptoms

A) Tetany – High Ca²⁺ level causing rapid spasms B) Myasthenia gravis – Genetic disorder resulting in weakening and paralysis of skeletal muscle C) Muscular dystrophy – An auto immune disorder causing progressive degeneration of skeletal muscle D) Arthritis – Inflamed joints

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Question 164

At which stage of life the oogenesis process is initiated

A) Embryonic development stage B) Birth C) Adult D) Puberty

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Question 165

In-situ conservation refers to

A) Conserve only high-risk species B) Conserve only endangered species C) Conserve only extinct species D) Protect and conserve the whole ecosystem

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Question 166

Regarding Meiosis which of the statements is incorrect

A) DNA replication occurs in S phase of Meiosis-II B) Pairing of homologous chromosomes and recombination occurs in Meiosis-I C) Four haploid cells are formed at the end of Meiosis-II D) There are two stages in Meiosis, Meiosis-I and II

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Question 167

Lippe’s loop is a type of contraceptive used as

A) Vault barrier B) Non-Medicated IUD C) Copper releasing IUD D) Cervical barrier

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Question 168

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 169

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 170

Tegmina in cockroach arises from

A) Mesothorax B) Metathorax C) Prothorax and Mesothorax D) Prothorax

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