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The part of the eyes refracts light entering the eye from external objects?

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Important Questions on Biology

MEDIUM
Which among the following forms a common passage for both the sperms and urine in human males?
EASY
Ring present in the neck region is _____:
MEDIUM
Which of the following is not a constituent of Phloem?
EASY

Which acid is produced in the stomach of human beings?

EASY
_____ tissue is made from dead cells:

 

 

 

 

EASY

Which branch of medicine deals with disorders related with heart?

EASY
Rings of _____ are present in the throat to ensure that the air passage does not collapse.
MEDIUM

On the basis of its weight, where is the strongest muscle found? 

EASY
The development of infant in mother’s body in case of man takes place in about _____ months:
MEDIUM
Male germ cells are produced in the _____:
MEDIUM

 The process by which plants can absorb water from the soil is called?
(A) Osmosis
(B) Diffusion
(C) Reverse osmosis
(D) Capillarity

MEDIUM

Between small and large human intestine which one is longer?

1. Small intestine
2. Large intestine
3. Both are equal in length
4. Depends on male or female

MEDIUM
In the plants of Pteridophyta class, there is no _____:

 
EASY
"All the plants and animals are composed of cells and the cell is the basic unit of life". The given statement is for which of the following theories?
MEDIUM

In agronomy, _____ is studied:

 

EASY
The total number of bones in the body of an adult human is ______.
EASY
The largest gland in the human body is _____.
MEDIUM
In a hybrid cross of round, green and shrunken yellow seeds, the number of round and yellow seeds are? 
EASY
The _____ cells are loosely packed so that large intercellular spaces are found.
EASY

Human nails are made up of:

1. Pigment
2. Elastin
3. Albumin
4. Keratin