EASY
Earn 100

Peach trees have sweet-smelling blossoms and produce rich fruit. What is the main purpose of the flowers of a peach tree?

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Important Questions on Reproduction in Plants

MEDIUM

What is the process of reproduction in amoeba? What are the advantages of sexual reproduction over asexual reproduction?

EASY
Select which of the following is the feature of cross pollination
HARD
Answer the following question:
Write the changes that occur in the age group 11 to 21 years in boys.
MEDIUM
Write two changes that occur in teenage boys during the period of Adolescence.
MEDIUM
What do you understand by Cross-Pollination?
HARD
Draw a labelled diagram of vertical section of a flower and explain its various parts.
EASY

The diagram represents the lifecycle of angiosperm. Choose the correct combination of labelling?

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EASY
State whether the following statement is true or false:
There are two sets of chromosomes in zygote.
EASY
Select the correct pair and write it -
MEDIUM
Which one of the following statements is correct regarding sexual reproduction?
EASY
A temporary endocrine gland in the human body is
MEDIUM
What changes are seen among the girls during adolescent age/puberty ?
EASY
Rewrite the following statements with suitable words in the blanks:
There are _____ pairs of chromosomes in human beings. [Write the value in digits]
EASY
The inflorescence in Sunflower is of the type_____.
HARD
How is sex determined in the human beings?
EASY

Distinguish between asexual and sexual reproduction on the basis of following features:

i) Number of parents

ii) Nature of offspring

MEDIUM
The cut of stem of plant (having root) is used for grafting is known as 
EASY
What is vegetative reproduction? Explain any three natural methods of vegetative reproduction with the help of suitable diagrams.