Choose the correct option: |
(i) Which of the following is not likely to cause Tsunami? |
Choose the correct option: |
(ii) Which of the following statements is correct regarding rods and cones in the human eye? |
Choose the correct option: |
(iii) Which of the following is NOT a planet of the sun? |
Choose the correct option: |
(vi) Which of the following is not a source of air pollution? |
Choose the correct option: |
(v) Which of the following is not a traditional method of irrigation? |
Choose the correct option: |
(vi) Which of the following is an antibiotic? |
Choose the correct option: |
(vii) Typhoid is a________ disease. |
Choose the correct option: |
(viii) The most suitable material for the preparation of handles of cooking utensils is |
Choose the correct option: |
(ix) Which of the following can be beaten into their sheets? |
Choose the correct option: |
(x) PCRA stands for |
Explain why: |
A pencil will write on paper but not on glass. |
Fill in the blanks with most appropriate answer: |
(a) The fish like baby of a frog_________. |
(b) The animal that lay thousands of eggs _________. |
(c) The stage of the embryo in which all the body parts can be identified________. |
Classify the following into friendly and harmful micro-organisms: |
Yeast, malaria parasite, Lactobacillus, bread mould, Rhizobium, Bacillus anthracis. |
(a) Which part of the cell contains organelles? |
(b) State three differences between plant cell and animal cell. |
(c) Where are chromosomes found in the cell? |
Read the passage and answer the given question. Sarvesh noticed that during rainy season, the leaves of the plants in his school get burnt. His teacher told him that all this is due to acid rain. |
(a) What is acid rain? |
(b) What are the harmful effects of acid rain. |
(c) What efforts can you do to reduce this acid rain? |
Write short notes on the following: |
(i) Cytoplasm |
(ii) Nucleus of a cell |
You need to login to perform this action.
You will be redirected in
3 sec