Biology - Study Mode

[#951] Plants synthesis protein from
Correct Answer

(C) amino acids

Explanation

Solution: We know that, proteins are polymers of amino acids. So, plants are also used to synthesise protein from amino acids. Hence, plants synthesis protein from amino acids in the presence of ATP by specific synthetases.

[#952] Plants absorb dissolved nitrates from soil and convert them into
Correct Answer

(A) free nitrogen

Explanation

Solution: The plant cells absorb nitrates from the soil and convert them into ammonia which ultimately reduced to ammonium ions (NH4+). These ammonium ions are then combined with organic compounds to form amino acids such as glutamine i.e., free nitrogen. This process of conversion is known as nitrogen fixation.

[#953] Jaundice in human beings is the result of
Correct Answer

(C) Incomplete metabolism of bilirubin

Explanation

Solution: Jaundice is caused by a buildup of bilirubin, a waste material, in the blood. An inflamed liver or obstructed bile duct can lead to jaundice, as well as other underlying conditions.

[#954] Which of the following can be a symptom of AIDS?
Correct Answer

(C) Tiredness

Explanation

Solution: As the virus continues to multiply and destroy your immune cells — the cells in your body that help fight off germs — you may develop mild infections or chronic signs and symptoms such as: Fever, Fatigue and Swollen lymph nodes.

[#955] Which one of the following is a hereditary disease?
Correct Answer

(B) Haemophilia

Explanation

Solution: Haemophilia is a hereditary disease.