Which of the following statements is true of yeast?

Which of the following statements is true of Bryophyllum?

Which of the following statements is true of ginger?

 scion grafted to a stock. The quality of fruits produced will be determined by the genotype of 

In which of the following organism, self-fertilization is seen?

Name the common phenomenon with reference to reproduction in rotifers, honey bees and turkey.

Cucurbits and papaya plants bear staminate and pistillate flowers.  Mention the categories they are put under separately on the basic of the type of flowers they bear.

How are Cucurbita plants different from papaya plants with reference to the flowers they bear?

Mention the unique feature with respect to flowerin and fruiting in bamboo species.

Name two groups of plants that have a haploid body.

The cell division involved in gamete formation is not of the same type in different organisms.  Justify.

A list of three flowering plants is given below.  Which ones out of them are 
(i) monoecious and
(ii) bearing pistillate flowers? Date palm, Cucurbits and Pea.

Is there a relation between the size of an organism and its life span? Give two examples in support of your answer.

Give reasons as to why cell division cannot be a type of reproduction in multicellular organisms.

What are pre-fertilisation events? Name the two main pre-fertilisation events.

Is Marchantia monoecious or dioecious? Why? where are the sex organs borne in this plant?

What are hermaphrodites? Name two hermaphrodite animals

Differentiate between oviparous and viviparous animals with an example of each.

Explain the role of tapetum in the pollen grain wall formation.

What are vegetative propagules? Name any four of them along with an example for each.

A farmer cultivates sugar cane and rose by usin stem cuttings.  He found that some of the cuttings did not continue to grow into new plants.  As a student of Agriculture; Shanu gives some points to be followed.
(a) Can you suggest a reason for this?
(b) Enlist the aspects that Shanu must have given for consideration, while preparing stem cuttings for propagation.
(c) Name two other plants which are also propagated by stem cuttings.
(d) What value (s) is/are shown by Shanu?