Olympiad Test: Reproduction In Plants -1


20 Questions MCQ Test Science Olympiad Class 7 | Olympiad Test: Reproduction In Plants -1


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Attempt Olympiad Test: Reproduction In Plants -1 | 20 questions in 40 minutes | Mock test for Class 7 preparation | Free important questions MCQ to study Science Olympiad Class 7 for Class 7 Exam | Download free PDF with solutions
QUESTION: 1

In asexual reproduction

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QUESTION: 2

Vegetative reproduction is

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QUESTION: 3

Spores are

Solution:

Spores are the reproductive structures in some fungi and plants. These are tiny structures protected by thick walls to survive unfavorable conditions. 

QUESTION: 4

Yeast cells reproduce by

Solution:
QUESTION: 5

Onion is a

Solution:

Correct Answer :- a

Explanation : Bulb vegetables are those variety of vegetables that are not eaten directly on their own, rather, they are used in food dishes to enhance the flavour of the food.The best known bulb vegetables are onion, chive, spring onion and garlic. These bulb vegetables are said to be medicinal, especially onion and garlic.

QUESTION: 6

Pollen grains are produced from

Solution:
QUESTION: 7

Sweet potatoes reproduce from

Solution:

Unlike the potato, which is a tuber, or thickened stem, the sweetpotato that we eat is the storage root of the plant; an enlarged lateral root. The plant reproduces in three ways: from seed, from the actual storage roots, or from the plant vines. Sweetpotato is cultivated by vegetative propagation.

QUESTION: 8

Ferns reproduce through

Solution:
QUESTION: 9

Mushrooms reproduce through

Solution:

They are non-vascular and reproduce via spores. But the above-ground portion that we think of as a mushroom is actually the equivalent of a fruiting structure, which are produced from underground strands called mycelium. Spores are most often dispersed from slits or tubes underneath the cap.

QUESTION: 10

Bryophyllum grows from

Solution:

Bryophyllum develops from buds on the modified leaves. Buds are developed on the leaf margin at notches. These when seperated grow into a new plant. 

QUESTION: 11

The male gamete in plants is called

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QUESTION: 12

The female gamete in plants is called

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QUESTION: 13

Male part of a flower is called

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QUESTION: 14

The long stalk in the stamen is called

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QUESTION: 15

Female part of the flower is called

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QUESTION: 16

When you add yeast to dough, it arises because

Solution:

The rapidly reproducing yeast cells by budding release carbon dioxide due to anaerobic respiration in the dough. Hence the dough rises. 

QUESTION: 17

Which of the following constitute a pistil?

Solution:

Gynoecium is the female reproductive part of the flower. The gynoecium consists of one or more separate pistils. A pistil typically consists of three parts namely stigma, style and ovary

Ovary is the expanded basal part, on which lies the elongated tube called the style. The style connects the ovary to the stigma. The stigma is present at the tip of the style and is the receptive surface for pollen grains

QUESTION: 18

Flowers which have stamens and pistils are called

Solution:

Flowers with stamens or roecium and pistils or gynoecium or male and female reproductive organs are called as complete flowers.

QUESTION: 19

Female gametes are present in

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QUESTION: 20

Male gametes are present in:

Solution:
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