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100 Science Questions and Answers for RRB NTPC

3 years ago 20.6K Views
Q :  

With which of the following are the terms hypoglycemia and hyperglycemia related?

(A) body fat

(B) Blood sugar

(C) cancer

(D) none of these

Correct Answer : B

Q :  

Cynophobia is related with __________.

(A) Fear of insects

(B) Fear of dogs or rabies

(C) Fear of Mirrors

(D) Fear of snow

Correct Answer : B

Q :  

Plants that grow in highly salty soil are called?

(A) Xerophyta

(B) Mesophyta

(C) Halophyta

(D) Thallophyta

Correct Answer : C

Q :  

Which of the following is NOT a part of the endocrine system?

(A) Pineal gland

(B) Salivary gland

(C) Thymus

(D) Adrenal gland

Correct Answer : B

Q :  

Water from soil enters into root hairs by

(A) Capillary Pressure

(B) Osmotic Pressure

(C) Root Pressure

(D) None of the above

Correct Answer : A

Q :  

The full form of DNA is:

(A) deoxyribeneutral acid

(B) deltanucleic acid

(C) deoxyribonucleic acid

(D) dyoxyenucleic acid

Correct Answer : C

Q :  

Which of the following is not a simple tissue?

(A) Xylem

(B) Parrenchyma

(C) Collenchyma

(D) Sclerenchyma

Correct Answer : A

Q :  

Carrier of Dengue disease is

(A) Aedes mosquito

(B) Culex mosquito

(C) Housefly

(D) Anopheles mosquito

Correct Answer : A

Q :  

Malaria is caused by

(A) Plasmodium falciparum

(B) Entamoeba

(C) Retrovirus

(D) Salmonella

Correct Answer : A

Q :  

 Refrigeration is the process, due to which

(A) Bacterias are killed

(B) Decreases the growth of bacteria

(C) Efficiency of bacterial is restrained

(D) Bacteria are converted into plasma

Correct Answer : C

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