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Question
Draw a diagram of DNA showing genes.
Solution
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RELATED QUESTIONS
Define reproduction.
Why is variation beneficial to the species but not necessarily for the individual?
Match items in Column I with those in Column II:
| Column I | Column II | ||
| (a) | Bud | (i) | Maple |
| (b) | Eyes | (ii) | Spirogyra |
| (c) | Fragmentation | (iii) | Yeast |
| (d) | Wings | (iv) | Bread mould |
| (e) | Spores | (v) | Potato |
| (vi) | Rose |
Which of the following organisms reproduce by sexual method and which by asexual method?
Amoeba, Cats, Humans, Hydra, Birds
What is meant by reproduction?
What are the two general methods of reproduction in organisms?
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Name two animals which undergo internal fertilisation?
What type of fertilisation takes place in fish?
What type of fertilisation takes place in birds?
Imagine all the seeds produced by a plant happen to fall under the same plant and sprout into new plants. Mention any two problems that will be faced by the new plants.
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Producing life is called respiration.
Find the odd-one out, giving reason.
Gamete, budding, fragmentation, regeneration.
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What is the role of the seminal vesicles and the prostate gland?
The daughter cells produced by asexual reproduction are genetically identical to the parent cell.
What do you mean by ‘Connecting Links’? Give one example.
Multiple choice question.
Point out the odd one.
Identify the odd one with respect to pollinating agent.
Self-incompatibility is found in flowers of plants _______.
The single shield-shaped cotyledon in monocot seed is known as ______.
The example of dicot endospermic seed is ______.
Seminal fluid is ______ in nature.
Nervous system develops from ______ of embryonic layer.
What is morula?
What is the use of tablet ‘Saheli’?
Match the following.
| Column I | Column II |
| Fission | Spirogyra |
| Budding | Amoeba |
| Fragmentation | Yeast |
What will happen if you cut planaria into small fragments?
Name two organisms that reproduce through budding.
Identify the chromosome number of the endosperm in the following case. In an angiosperm a female plant having 2n = 24 is crossed with a male plant having 2n = 12.
Identify the homologous pair.
Assertion and Reason types of Question.
Assertion: In Banyan prop roots grow horizontally from the tree.
Reason: They give additional support to the tree.
In a flower, the parts that produce male and female gametes (germ cells) are
Which of the following statements about reproduction in humans is correct?
How is reproduction in Hydra different from that in Amoeba?
