12 Biology- 1 Reproduction in Organisms: Online Test

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Here are several combinations of asexual reproductive structure and examples. Find the incorrect match: i) Zoospore- Chlamydomonas ii) gemmule- Sponge iii) Conidia - Hydra iv) Bud - Yeast *

2 points

ii)

iii)

iv)

Offset is a vegetative propagule in *

2 points

Potato

Water hyacinth

Bryophyllum

Ginger

Adventitious buds develops in leaves of *

2 points

banana

bryophyllum

potato

ginger

Read the following statements carefully and identify the correct statement. *

2 points

Oestrus cycle occurs in primates like cow, sheep, dog only

Oestrus cycle occurs in all primates

Menstrual cycle occurs in primates like monkey and apes

Menstrual cycle occurs in all non primates

Find the incorrect statement *

2 points

unisexual male flowers are staminate

both male and female flowers on the same plant is called dioecious condition

homothallism and monoecious means the same

heterothallism and dioecious are used to describe unisexuality

Micropropagation is a technique to produce *

2 points

hybrid plants

haploid plants

homo diploid plants

true to type plants

If the leaf of maize plant have 20 chromosomes, the microspore mother cell will have *

2 points

10 chromosome

20 chromosome

30 chromosome

40 chromosome

In plants meiosis occurs in *

2 points

Root tip cells

Shoot tip cells

Anther

Pollen grain

A bacteria clone is formed by *

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Conjugation

Transformation

Transduction

Binary fission

There is no natural death in single celled organisms because *

2 points

they do not reproduce sexually

they reproduce by fission

offsprings receives parental body

these are microscopic

Vegetative propagation in Pistia occurs by *

2 points

stolon

offset

runner

sucker

Study of pollen grains is called *

2 points

Ethmology

Palynology

Paleobotany

Paleology

When seed germinates being attached on parent plant body it is called *

2 points

Ovipary

Vivipary

Epigeal

Hypogeal

A scion is grafted on a stock. The quality of fruit produced by this plant will be determined by the *

2 points

Scion

Stock

Both of these

None of these

Bamboo species flowers *

2 points

only once in lifetime

once in 12 years

every year

once in every 50-100 years

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