EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Consider the following statements in relation to plant tissue 'chlorenchyma'.
1. It is formed by the palisade and spongy mesophyll.
2. It is a form of parenchyma, which contains chloroplasts.
3. It serves to transport organic solutes made by photosynthesis.
4. It is a thin transparent layer, which has chiefly a protective function.

Which of the statement(s) given above is/are correct?

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Important Questions on Biology

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 1>Q 122
Bones of old persons are brittle and fractured more readily occur because they contain more
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 1>Q 123
Consider the following statements
1Bones and blood are mesodermal in origin.
2. Serum is plasma minus clotting factor.
3. Five types of leucocytes are found in mammals.
4. Bone forming cells are called Osteoblast.
Which of the statements given above are correct?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 1>Q 124
Consider the following statements
1. Prothrombin is essential for blood clotting.
2. Fibrinogen is one of the largest plasma proteins.
3. Digestive nutrients are also present in plasma.
Which of the statement(s) given above is/are correct?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 1>Q 125
Study the following statements
1. Neurons are considered as the longest cells of the body.
2. Neurons form the structural and functional unit of nervous system.
3. Nervous tissues are found in brain, spinal cord and nerves.
Which of the statements given above are correct?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 1>Q 126
White blood cells act
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 1>Q 127
Assertion (A) Organ system is the system in which several tissues work for the same function.
Reason (R) The organ system helps in efficient working of our body.
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 1>Q 128
Match the List I (Cell Wall Component) with List II (Tissues/Tissue System) and select the correct answer using the codes given below the lists.
        List I                           List II
A. Suberin                    1.Sclerenchyma
B. Lignin                      2. Collenchyma
C. Pectin                      3.Epidermis
D. Cutin                       4. Phellem
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 1>Q 129
The monocot plants lack the process of grafting. It is mainly due to lack of