The pseudopodia of amoeba are used for
Important Questions on Our Living World
From the organisms given below:
| I. Yeasts | II. Bedbugs | III. Leeches | IV. Cuscuta |
| V. Algae | VI. Lice | VII. Mushrooms | VIII. Lichens |
Which organisms may be classified in the group of parasites?
In Column-A, names of scientists are given, and in Column-B, some discoveries are given:
| Column-A | Column-B |
| A. Alexander Fleming | I. Anthrax bacterium |
| B. Edward Jenner | II. Fermentation |
| C. Louis Pasteur | Ill. Lactobaci |
| D. Robert Koch | IV. Penicillin |
| V. Smallpox vaccine |
The correct match of the names of scientists with their discoveries is
Study the following statements:
I. Prokaryotes do not have a nucleus.
II. A single cell can perform all the functions in a unicellular organism.
Ill. Blue-green algae are examples of prokaryotes.
IV. Eukaryotes do not have a well-organized nucleus with a nuclear membrane.
The correct statements are
In the diagram of the human eye given below, the parts marked by A, B, C and D should be labeled as
Study the following statements:
I. Germination of seeds does not take place under dry conditions.
II. Nutrients get transported to each part of the plant in a dissolved form.
Ill. The supply of water to crops at different intervals improves the texture of the soil.
IV. The supply of water to crops makes the soil porous due to which exchange of gases becomes easy.
V. Water protects the crops from both frost and hot air currents.
The statements which justify the need to irrigate crops are
Study the following statements:
I. Chromosomes are located in the nucleus.
II. Genes are located in the chromosomes.
Ill. Unicellular organisms respire and reproduce.
IV. The most important function of the cell membrane is to control the entry and exit of materials from cells.
The correct statements are
