Science Biology MCQ-36

General Science Biology MCQ Test for SSC,NDA,APPSC,Central Excise,Customs,CDSE,CSAT,WBPSC,MPPSC ,JPSC,UPSC



pH of blood remains constant due to

 
 
 
 

Which one among the following statements regarding heart sounds is correct?

 
 
 
 

The seeds can most suitably preserved in :

 
 
 
 

Which among the following vitamins is considered to be a harmone?

 
 
 
 

The country’s first ‘brain bank’ that can store up to 300 human brains has been opened at

 
 
 
 

Legumes are highly nutritious because they are rich in

 
 
 
 

Decomposition of organic matter is due to

 
 
 
 

Which of the following crops helps in nitrogen fixation?

 
 
 
 

Which among the following cows give maximum milk yields?

 
 
 
 

The spider spins its web from a liquid secreting from its

 
 
 
 

Which of the following contains the highest protein content per gram?

 
 
 
 

Which one of the following is caused by the expression of a recessive gene present on sex chromosome?

 
 
 
 

Match the following:

List-l———–List-ll

(Substance) (Physiological role)

A. Ptyalin 1 .Converts angiotensinogen in blood into angiotensin
B. Pepsin 2 . Digest starch
C. Renin 3 . Digests proteins
D. Oxytocin 4 . Hydrolyses fats
5 . Induces contraction of smooth muscles

Codes:
ABCD

 
 
 
 

Leaves Call off branches In the winter because of

 
 
 
 

Which among the following animals has the largest Intestine?

 
 
 
 

It Is not advisable to sleep under a tree at night because of release of

 
 
 
 

Higher plants take up nitrogen as

 
 
 
 

Green plants In the sea are useful for respiration of flash because they

 
 
 
 

Stripes on the bodies of animals Indicate

 
 
 
 

Which among the following is a balanced fertiliser for plants?

 
 
 
 

Milk fever in cows occurs due to lack of

 
 
 
 

Which among the following is a Cast growing tree?

 
 
 
 

Mouth and foot diseases in cattle are caused by

 
 
 
 

The age of a tree can be determined by