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:


(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



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