From the following pairs, find the one which is co | Biology Questions & Answers

Q:

Cytoplasm contains all the organelles.

A) TRUE

B) FALSE

Answer & Explanation Answer: B) FALSE

Explanation:

Cytoplasm does not contains all the organelles.

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Q:

Which of the following is a feature of ghrelin?

A) It stimulates appetite and energy storage	B) It is released in high amounts from adipocytes during periods of excess energy intake
C) The blood level in the fasting state correlates directly with body weight	D) It is a metabolic antagonist of leptin

Answer & Explanation Answer: A) It stimulates appetite and energy storage

Explanation:

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Q:

What process accounts for species diversity?

A) Predation	B) Mitosis
C) Symbiosis	D) Meiosis

Answer & Explanation Answer: D) Meiosis

Explanation:

The process accounts for species diversity is Meiosis. Meiosis is termed as a specialized cell division which reduces chromosomes number by half and then creates for haploid cells.

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Q:

Which one of the following is a plant hormone?

A) Cytokinin	B) Oestrogen
C) Thyroxin	D) Insulin

Answer & Explanation Answer: A) Cytokinin

Explanation:

Cytokinins is a Plant hormone which helps in cell division and leads to Growth & formation of shoots, roots & bud.

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Q:

Systems biology is mainly an attempt to

A) Understand the behavior of entire biological systems	B) Speed up the technological application of scientific knowledge
C) Analyze genomes from different species.	D) None of the above

Answer & Explanation Answer: A) Understand the behavior of entire biological systems

Explanation:

An approach to studying biology that aims to model the dynamic behavior of whole biological systems based on a study of the interactions among the system's parts.

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Q:

Which of the following leads to the production of urea?

A) Synthesis of protein from amino acids	B) Oxidation of glucose
C) Degradation of amino acids	D) Incomplete oxidation of fatty acids

Answer & Explanation Answer: C) Degradation of amino acids

Explanation:

Urea is a by product of amino acid catabolism, Which occurs in the liver. The nitrogen in the amino acid becomes converted to ammonia and this is further converted by the liver into urea

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Q:

The external oblique muscle is named due to its

A) Action	B) Fiber detection
C) Location	D) Attachment points

Answer & Explanation Answer: B) Fiber detection

Explanation:

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Q:

Study of Life in outer space is known as

A) Endobiology	B) Neobiology
C) Exobiology	D) Intrabiology

Answer & Explanation Answer: C) Exobiology

Explanation:

Study of Life in outer space or search of life external to Earth is known as Exobiology.

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A) Scurvy- Thiamine	B) Tuberculosis- ATS
C) Tetanus- BCG	D) Malaria- Chloroquine

From the following pairs, find the one which is correctly matched?

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