Page 124 - Science Class 07

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A. Tick (3) the correct op on.
1. Which of the following organisms reproduces through budding?
(a) Amoeba (b) Hydra
(c) Earthworm (d) None of these
2. Which of the following organisms reproduces through sporula on ?
(a) Molds (b) Amoeba

(c) Hydra (d) Corals
3. Which of the following plants reproduces through stem?
(a) Hydra (b) Peas
(c) Tomato (d) Rose

4. Which of the following is female reproduc ve organ of plants?
(a) Ovary (b) Stamen
(c) Anther (d) None of these

5. Which of the following statements is not correct in regards of seeds?
(a) They store food.
(b) They need moisture, air and sunlight to germinate.
(c) They have a protec ve layer.

(d) None of these.
B. Fill in the blanks.
1. ___________ is the life process of producing one’s own kind.

2. ___________ is formed a er the fusion of male and female cells.
3. The female organ has a round base called ___________ .
4 . The zygote forms the ___________ which is enclosed in a seed coat.
5. ___________ takes place when the pollen of one flower is transfered to the s gma of
another flower.
C. Match the following columns.

Column I Column II
1. Binary a. Yeast
2. Budding b. Mosses

3. Sporula on c. Jasmine
4. Vegeta ve reproduc on d. Amoeba
5. Layering e. Orchids
6. Tissue culture f. Onion

D. Write True or False.
1. When a cyst breaks, a number of cells are released together.
2. Reproduc on falls into three classes.

124 Science-7