EASY
DRDO MTS Tier - II
IMPORTANT
Earn 100

Bleeding of gums, falling of teeth, fragile bones and delayed wound healing occur due to the deficiency of which one of the following vitamins?
(a)Vitamin C
(b)Vitamin K
(c)Vitamin D
(d)Vitamin B

50% studentsanswered this correctly

Important Questions on Biology
EASY
DRDO MTS Tier - II
IMPORTANT

MEDIUM
DRDO MTS Tier - II
IMPORTANT

HARD
DRDO MTS Tier - II
IMPORTANT
The HIV virus weakens the immunity of a person because it destroys :

MEDIUM
DRDO MTS Tier - II
IMPORTANT
An irregular mode of reproduction resulting in the development of an embryo without fertilization is called :
. Parthenogenesis
. Apogamy
. Sporophytic budding
Select the correct answer using the codes given below:

EASY
DRDO MTS Tier - II
IMPORTANT

MEDIUM
DRDO MTS Tier - II
IMPORTANT
Which of the following cells do not contain the nucleus?
1. Root hair cells
2. Red blood cells
3. Platelets
4. Monocytes
Select the correct answer using the codes given below.

MEDIUM
DRDO MTS Tier - II
IMPORTANT
Biological catalysts are protein molecules that:
1. Speed up a chemical reaction
2. Remain unchanged after the reaction
3. Function optimally at 37°C
4. Do not have an enzymatic activity
Select the correct answer using the codes given below:

HARD
DRDO MTS Tier - II
IMPORTANT
