Sexual Reproduction

In which of the following phases all organisms have to pass through it before they can reproduce sexually?

Read the graph given below and identify the period of follicular phase:

Organisms with relatively simple body organisation commonly reproduce through asexual means but shifts to sexual reproduction:

Why the internal fertiliszation is better than external fertilisation?

Inter flower period is juvenile or mature?

If gametes are produced after reduction division, they are termed as:

Both male and female reproductive structures are present on same plants in –

Exogamy in plants is the term where pollination takes place between flowers of the same plant.

Exogamy is also called as _____.

Differentiate between exogamy and endogamy.

Define Exogamy.

What is the carrier of gamete in the Pinus, Marchantia, Mango, Chara, and Funaria respectively?
[where $\mathrm{A} -$Pollen tube, $\mathrm{B}-{\mathrm{H}}_2\mathrm{O}$]

Synchrony between the maturity of sexes and release of many gametes is shown by:

Select correct option w.r.t. chromosomes number in sexual life cycle of apple.

Clear cut distinction between vegetative, reproductive and senescent phase is shown by

Which of the following plants produce non-motile male gametes?

Male and female sex organs are present on separate plant bodies in all, except

Heterogametes are found in

Choose the correct option.
A. Zygotes are universally diploid
B. Zygotes form embryos through mitosis
C. Gametes are universally haploid
D. Gametes are always produced by meiotic cell