HARD
12th CBSE
IMPORTANT
Earn 100

The number of taxa exhibiting asexual reproduction is drastically reduced in higher plants (angiosperms) and higher animals (vertebrates) as compared with lower groups of plants and animals. Analyse the possible reasons for this situation.

Important Questions on Reproduction in Organisms

MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>SHORT ANSWER TYPE QUESTIONS>Q 3
Honeybees produce their young ones only by sexual reproduction. In spite this, in a colony of bees, we find both haploid and diploid individuals. Name the haploid and diploid individuals in the colony and analyses the reasons behind their formation.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>SHORT ANSWER TYPE QUESTIONS>Q 4
With which type of reproduction do we associate the reduction division? Analyse the reasons for it.
HARD
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>SHORT ANSWER TYPE QUESTIONS>Q 5
Is it possible to consider vegetative propagation observed in certain plants like Bryophyllum, water hyacinth, ginger etc., as a type of asexual reproduction? Give two/three reasons.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>SHORT ANSWER TYPE QUESTIONS>Q 6
'Fertilisation is not an obligatory event for fruit production in certain plants'. Explain the statement.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>SHORT ANSWER TYPE QUESTIONS>Q 7
In a developing embryo, analyse the consequences if cell divisions are not followed by cell differentiation.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>SHORT ANSWER TYPE QUESTIONS>Q 8
List the changes observed in an angiosperm flower after pollination and fertilisation.
HARD
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>SHORT ANSWER TYPE QUESTIONS>Q 9
Suggest a possible explanation of why the seeds in a pea pod are arranged in a row, whereas those in tomato are scattered in the juicy pulp.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>SHORT ANSWER TYPE QUESTIONS>Q 10
Draw the sketches of a zoospore and a conidium. Mention two dissimilarities between them and at least one feature common to both structures.