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Test: The World of Living - Class 6 MCQ


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5 Questions MCQ Test Science Olympiad Class 6 - Test: The World of Living

Test: The World of Living for Class 6 2024 is part of Science Olympiad Class 6 preparation. The Test: The World of Living questions and answers have been prepared according to the Class 6 exam syllabus.The Test: The World of Living MCQs are made for Class 6 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: The World of Living below.
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Test: The World of Living - Question 1

Refer to the given dichotomous key.
I. (a) It conducts food, water and mineral to different parts of the plant - Go to II
(b) It acts as primary site of photosynthesis. - Go to III
II. (a) It is modified to protect the plant. - P
(b) It is m odified to store food. - Q
III. (a) It is modified to support the plant. - R
(b) It is modified to trap insects. - S
Select the incorrect option regarding P-S.

Detailed Solution for Test: The World of Living - Question 1

 According to the given dichotomous key, P and Q are modifications of stem whereas R and S are modifications of leaf. P could be stem thorn for protection of Bougainvillea plant. Q could be modified stem for storing food such as potato and onion. R could be leaf tendril of Gloriosa, which is a modification of leaf for giving support to the plant. S could be leaf of Nepenthes (insectivorous plant), which is modified to trap insects. Grapevine has stem tendrils.

Test: The World of Living - Question 2

Refer to the given paragraph.
The two main types of root are X and Y. X roots are mostly found in plants having leaves with reticulate venation, while Y roots are mostly found in plants having leaves with parallel venation.
Select the incorrect statement regarding X and Y.

Detailed Solution for Test: The World of Living - Question 2

In the given paragraph, X and Y refer to tap roots and fibrous roots respectively. Tap roots (X) penetrate very deep into the soil hence provide strong anchorage to the plant whereas fibrous roots (Y) are shallow and grow horizontally in the soil hence they cannot provide very strong anchorage to the plant.

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Test: The World of Living - Question 3

The given graph shows temperature gradient through different biomes of Earth (P, Q, R and S).

Refer to the given graph and select the incorrect statement regarding P, Q, R and S.

Test: The World of Living - Question 4

Refer to the given figures of machines P, Q, Pand S which represent different joints of our body. Identify the joints according to movement of these machines and select the correct statement.

Detailed Solution for Test: The World of Living - Question 4

The given figures P, Q, R and S represent hinge joint, ball and socket joint, pivot joint and gliding joint respectively. Hinge joint (P) is present in our elbow and knee and allows movement in only one plane. Ball and socket joint (Q) allows highest freedom ol motion, e.g., shoulder joint (between humerus and shoulder) and hip joint (between femur and hip bone). Pivot joint (R) also called rotatory joint allows rotatory movement around a single axis. The moving bone rotates within the ring formed from second bone. Joints between firsl and second cervical vertebrae exemplify pivot joint.

Test: The World of Living - Question 5

Refer to the given Venn diagram and select the incorrect statement regarding P, Q and R.

Detailed Solution for Test: The World of Living - Question 5

 According to the given Venn diagram, P, Q and R could be bird, fish and insect respectively.

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