MEDIUM
12th CBSE
IMPORTANT
Earn 100

Draw the sketches of a zoospore and a conidium. Mention two dissimilarities between them and at least one feature common to both structures.

Important Questions on Reproduction in Organisms

HARD
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>SHORT ANSWER TYPE QUESTIONS>Q 11
Justify the statement 'Vegetative reproduction is also a type of asexual reproduction'.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>LONG ANSWER TYPE QUESTIONS>Q 1
Enumerate the differences between asexual and sexual reproduction. Describe the types of asexual reproduction exhibited by unicellular organisms.
HARD
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>LONG ANSWER TYPE QUESTIONS>Q 2
Do all the gametes formed from a parent organism have the same genetic composition (identical DNA copies of the parental genome)? Analyse the situation with the background of gametogenesis and provide or give a suitable explanation. 
HARD
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>LONG ANSWER TYPE QUESTIONS>Q 3
Although sexual reproduction is a long drawn, energy-intensive complex form of reproduction, many groups of organisms in Kingdom Animalia and Plantae prefer this mode of reproduction. Give at least three reasons for this.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>LONG ANSWER TYPE QUESTIONS>Q 4
Differentiate between oestrus and menstrual cycles. Cite an example for each type.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>LONG ANSWER TYPE QUESTIONS>Q 4
Differentiate between ovipary and vivipary. Cite an example for each type.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 12>Chapter 1 - Reproduction in Organisms>LONG ANSWER TYPE QUESTIONS>Q 5
Rose plants produce large, attractive bisexual flowers, but they seldom produce fruits. On the other hand, a tomato plant produces plenty of fruits though they have small flowers. Analyse the reasons for the failure of fruit formation in rose.