Question # 1

The temperature more effective for vernalization is

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4 ^oC

8^oC

12^oC

16^oC

The light effective in preventing flowering in cocklebur is.

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Blue light

Red light

Yellow light

Orang light

Germination of some seeds e.g. some lettuce varieties, is promoted by.

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Green light

Blue light

Red light

Violet light

Development of an egg into embryo without fertilization is called as.

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Parthenocarpy

parthenogenesis

Fragmentation

Meiosis

Oestrus cycle, a reproductive cycle in found in as females except.

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Cat

Cow

Humanin being

Lion

Information back from the control centre to the effectors as done by ______________ nerve path way.

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Afferent

Efferent

Both

None of these

The union of meiotically produced specialized sex cells from each parents produce

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Fertilized egg

Unfertilized egg

Zygote

Both a & c

Developing seeds are a rich source of.

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Auxin

Gibberellins

Cytokinins

All of these

During progeny luteotropic hormone LTH and placental lactogen stimulate Mammary development in preparation for.

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Gestation

Lactation

Miscarriage

After birth

Most of the major orangs of embryo are formed within the.

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10 week

12 week

14 week

15 week

Soyabean is an example of plants.

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Short day

Long day

Dary neutral

Day independent

From beginning of the 3^rd month of pregnancy the human embryo is referred to as the

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Foetus

Kid

Kitten

CUb

Identify the day neutral plant.

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Cabbage

Cotton

Tobacco

Cocklebur

Long-day plants will flower in short days if the interrupted period is

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Long night

Short Night

Long day

Short day

The human embryo is referred to as the fetus from beginning of.

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3rd month

3rd week

6th months

6th week

When will call embryo a fetus.

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After 2 months

After 3 moths

After 5 moths

After 4 months

Which is a long day plant

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soyabean

Henbane

Tomato

Cucumber

Fruit ripening is due to the production of.

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Auxins

Cytokinin

Gibberellin

Ethane

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Biology FSC Part 2 Chapter 18 Online MCQ's Test MCQs With Answers

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