WBC

Q.

Which of the following cells can change their shape?
A. White blood cell
B. Amoeba cell
C. Red blood cell
D. Euglena cell

1. A and B

2. B and C

3. A and D

4. B and D

Q. Name a single cell (other than Amoeba cell) which can change its shape.

Q. Assertion(A): Amoeba, a single-celled animal is unable to perform all its functions.
Reason(R): The nucleus is absent in Amoeba.

1. Both A and R are true and R is the correct explanation of A.
2. A is true but R is false.
3. Both A and R are true but R is not the correct explanation of A.
4. A is false but R is true.

Q.

The cells that are capable of changing their shapes are

1. Red blood cells
2. Ameoba
3. White blood cells
4. Both b and c

Q. An organism X is made up of a single cell. It performs all the necessary life functions like capturing and digesting food, respiration, excretion, reproduction, etc. Identify which among the following can be X.

1. Paramecium
2. Tradescantia
3. Amoeba
4. Elodea

Q. As there is a cellular level of life (like in amoeba), an organ system level of life (like in humans), does an organ level of life exist?
If it does, please mention any organism that has an organ level of life and how they do all the living processes.

Q. Which of the following cells are oval shaped?

1. Chlamydomonas
2. Nerve cells
3. White blood cells
4. Amoeba

Q.

The cells that are capable of changing their shapes are

1. Red blood cells
2. Ameoba
3. White blood cells
4. Both b and c

Q. The blood corpuscles are of _________ types.

1. 5
2. 4
3. 2
4. 3

Q. Leucocytosis is the abnormal increase in the count of .

1. WBC
2. RBC
3. Platelets

Q. Functions of blood in human body three functions

Q. What is the difference between the red bone marrow and bone marrow?

Q. Which of the following is/are not cells?
(i) Bacteria
(ii) RBC
(iii) Amoeba
(iv) Virus

1. Only (iv)
2. Only (iii)
3. (i), (ii) and (iii)
4. (iii) and (iv)

Q. Why are the white blood cells known as the soldiers of the body?

Q. The type of white blood cells that are affected due to the infection of AIDS are

1. Lymphocytes
2. Monocytes
3. Neutrophils
4. Basophils

Q. Which of the following cells are oval shaped?

1. Nerve cells
2. White blood cells
3. Chlamydomonas
4. Amoeba

Q. Which of the following cells are oval shaped?

1. White blood cells
2. Amoeba
3. Chlamydomonas
4. Nerve cells