Questions

QUESTIONS

(A)    Matrix Match

Ans:  1 – c; 2 – d; 3 – a; 4 – b

(B)    Fill in the blanks.

1. The basic ______ and ______ unit of life is cell.

Ans:  (Structural, functional).

2. All multicellular organisms begin their life as a single cell which is known as _______.

Ans:  (zygote)

3. If a single cell is capable of performing all life-sustaining functions than it is called as ______ organism.

Ans: (Unicellular)

4. The size of the cell is as small as ______ or as large as _______.

Ans: (micrometer, centimeter)

5. A _______ is a group of similar cells performing a specific function.

Ans: (Tissue)

6. _______ discovered the cell in the year 1665.

Ans: (Robert Hooke)

7. _______ has irregular shape and is a _______ organism.

Ans: (Amoeba, Unicellular)

(C)     Multiple Choice Questions:

1. Who is known as Father of Cytology?

(a) Robert Hooke                             (b) Robert Brown

(c) J.E. Purkinje                                (d) None of the above

Ans:  (a)

2. The size of a prokaryotic cell is:-

(a) 1-10 micron                               (b) 5-10 micron

(c) 1-100 micron                             (d) 5-100 micron

Ans:  (a)

3. The largest cell in the human body is _________.

(a) Nerve cell                                   (b) Muscle cell

(c) Liver cell                                     (d) Kidney cell

Ans:  (a)

4. The smallest animal cell is _________.

(a) Ostrich egg                                 (b) Amoeba

(c) Red blood corpuscle                  (d) Human sperm

Ans:  (d)

5. The smallest functional unit of life is :-

(a) Cell                 (b) Tissue             (c) Organ             (d) Organ System

Ans:  (a)

6. Which of the following organism is a unicellular organism?

(a) Human beings                          (b) Euglena

(c) Plants                                          (d) Earthworm

Ans:  (b)

7. All multicellular organisms begins their life from :-

(a) Embryo          (b) Foetus            (c) Zygote            (d) Gametes

Ans:  (c)

8. Which of the following organism shows irregular shape in their structure?

(a) Amoeba         (b) Bacteria         (c) Paramecium  (d) Algae

Ans:  (a)

9. Largest cell is the :-

(a) Nerve cell                                   (b) Zygote

(c) Osteocyte (Bone cell)                (d) Ostrich egg

Ans:  (d)

10. Largest cell in human body is :-

(a) Nerve cell      (b) Zygote            (c) Egg cell           (d) Sperm

Ans:  (a)

11. The size of the cell is related to the :-

(a) Size of organism                        (b) Its function

(c) Both of the above                      (d) None of the above

Ans:  (b)