73
Q:

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

 

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

Answer:   D) Malaria- Chloroquine



Explanation:

Chloroquine is a medication used to prevent and to treat malaria.

Subject: Biology
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Q:

Which step happens first in DNA replication?

A) Initiation B) Elongation
C) Termination D) None of the above
 
Answer & Explanation Answer: A) Initiation

Explanation:

In the first step of DNA replication called initiation, the DNA pair gets unwidened.

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1 1464
Q:

Which of the following is a healthy fat?

A) polyunsaturated fat B) enriched fat
C) trans fat D) saturated fat
 
Answer & Explanation Answer: A) polyunsaturated fat

Explanation:

Polyunsaturated fats are healthy fats whcih we can get from eating greeny leaf vegetables, fish and some seeds that are helpful in brain functioning, nutrient rich blood, hair growth, etc...

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4 1772
Q:

Which of the following is an example of parasitism?

A) Leeches consume blood of their host B) Ticks that live on dogs
C) Aphid insects eat the sap of the host plant D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The relationship between two organisms such that one lives on the other and one gets benefited while the other get infected.

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4 1543
Q:

The arbor vitae refers to

A) the pleatlike convolutions of the cerebellum B) cerebellar gray matter
C) flocculonodular nodes D) cerebellar white matter
 
Answer & Explanation Answer: D) cerebellar white matter

Explanation:

In the brain cerebellum, the arbor vitae refers to the cerebellar white matter which resembles the structure of arborvitae plant leaves and branches structure.

arbor-vitae1540288058.png image

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4 2817
Q:

Unlike eutherians, both monotremes and marsupials

A) have some embryonic development outside the uterus B) are found in Australia
C) lay eggs D) lack nipples
 
Answer & Explanation Answer: A) have some embryonic development outside the uterus

Explanation:
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2 1507
Q:

Which of the following is present in a prokaryotic cell?

A) chloroplast B) nucleoid
C) mitochondrion D) nuclear envelope
 
Answer & Explanation Answer: B) nucleoid

Explanation:
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3 1403
Q:

Sponges are most accurately described as

A) marine predators B) chemoautrophs
C) filter feeders D) freshwater scavengers
 
Answer & Explanation Answer: C) filter feeders

Explanation:
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3 2734
Q:

Meiosis ii is similar to mitosis in that

A) the daughter cells are diploid B) sister chromatids separate during anaphase
C) DNA replicates before the division D) All of the above
 
Answer & Explanation Answer: C) DNA replicates before the division

Explanation:
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2 1408