Product of sexual reproduction generally generates

(1) longer viability of seeds

(2) prolonged dormancy

(3) new genetic combination leading to variation

(4) large biomass

Which one of the following generates new genetic combinations leading to variation?

1.  Vegetative reproduction

2.  Parthenogenesis

3.  Sexual reproduction

4.  Nucellar polyembryony

Sexual reproduction is

1. Fast and simple process

2. Slow and simple process

3. Fast and complex process

4. Slow and complex process

Vegetative phase in plants is same as ___________ in animal.

A. Sexual phase

B. Juvenile phase

C. Reproductive phase

D. Syngamy phase

Birds like turkey undergo _________ to produce offspring.

A. Sexual reproduction

B. Asexual reproduction

C. Parthenogenesis

D. Lay egg

The females of placental mammals exhibit cyclical changes in the activities of ovaries and accessory ducts as well as hormones during the reproductive phase. In non-primate mammals it is known as

A. Oestrus cycle

B. Menstrual cycle

C. Reproductive cycle

D. Sexual cycle

Which of the following statement is correct?

1. Strobilanthus Kunthinan flowers once in 12 years

2. Formation of the diploid embryo is universal in all sexually reproducing organisms

3. In the majority of organisms, both male and female gametes are stationary

4. Sexual reproduction is an elaborate, complex and rapid process as compared to asexual reproduction

In which of the following mammal Oestrus cycle is absent:

A.Cow

B.Horse

C.Monkey

D.Rabbit

Hermaphrodite animal is

A.Leech

B.Spider

C.Honey bee

D.Ascaris