Question

1.Fill in the blanks

(a) New cells are formed from -----------------

(b) Movement of water molecules from their higher concentration to their lower

concentration through a semi- permeable membrane is called -------

(c) The functional components of cell are ______________, ______________&

______________.

(d) Protoplasm has two parts- ______________ &------------.

(e) Nucleus, mitochondria & plastids have their own ___________ &---------

(f) The shrinkage or contraction of the contents of the cell away from the cell wall is known as ______________.

(g) The process by which Amoeba can engulf a food particle is -------------

(h) ______________ is the manufacture of lipids required for making cell membrane.

(i) A cell that lacks nuclear membrane is called a prokaryotic cell & the nuclear region is called ______________.

2. Name the kind of plastid which is important for photosynthesis in leaves of the plants. ---------------------------

3. The largest cell in the human body is

(a) Nerve cell (b) Muscle cell

(c) Liver cell (d) Kidney cell

4. The barrier between the protoplasm and the other environment in an animal cells -

(a) Cell wall (b) Nuclear membrane

(c) Tonoplast (d) Plasma membrane

5.The site of respiration within a cell-

(a) Ribosome (b) Golgi apparatus

(c) Mitochondrion (d) Endoplasmic Reticulum



6. The network of Endoplasmic reticulum is present in the -

(a) Nucleus (b) Nucleolus

(c) Cytoplasm (d) Chromosomes

7. Lysosomes are reservoirs of -

(a) Fat (b) RNA

(c) Secretary Glycoprotein (d) Hydrolytic Enzymes

8. The membrane surrounding the vacuole of a plant cell is called -

(a) Tonoplast (b) Plasma membrane

(c) Nuclear membrane (d) Cell wall

9.Which of the following organelle does not have membrane?

(a) Ribosome (b) Nucleus

(c) Chloroplast (d) Mitochondria

10. Which of the following cellular part possess a double membrane?

(a) Nucleus (b) Chloroplast

(c)Mitochondrion (d)All of the above





11. Cell organelle that acts as supporting skeletal framework of the cell is -

(a) Golgi apparatus (b) Nucleus

(c) Mitochondria (d) ER

12. Genes are located on

(a) Chromosomes (b) Nucleolus

(c) Nuclear membrane (d)Plasma membrane

13. Put dried raisins in plain water and leave them for some time. Then place them in

concentrated solution of sugar or salt. What do you observe in both the cases?

14. Why do vegetable vendors (subzi-walla) regularly sprinkle water on the vegetables in their baskets?

Q 15 COMPLETE THE FOLLOWING TABLE

NAME OF ORGANELLE STRUCTURE FUNCTION

ENDOPLASMIC RETICULUM







GOLGI BODY









LYSOSOMES









MITOCHONDRIA







PLASTIDS







VACUOLE














who will solve this first will be marked as brainliest.!!​

Answer 1

Answer:

Explanation:

1 (a) Pre - existing cells

(b) Osmosis

(c) Nucleus, Vacoules & Mitochondria.