CIE Biology Paper-3: Specimen Questions 147 - 150 of 230

Question number: 147

Short Answer Question▾

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Variations among organisms is called as biodiversity. Write down Four major threats of biodiversity in A, B, C and D.

Image shows different reasons behind loss of biodiversity

Image shows different reasons behind loss of biodiversity

In given figure write the name of four major threats for the loss of variations among the organisms in environment

Explanation

In this image in different reasons behind loss of biodiversity

In this image in different reasons behind loss of biodiversity

In given figure write the name of four major threats for the loss of variations among the organisms in environment

Passage

Figure shows the male reproductive system and part of the urinary system.

the male reproductive system and main parts of urinary system

the male reproductive system and main parts of urinary system

Name the labelled part X Y Z in given image of male reproductive system and urinary system with their location

Question number: 148 (1 of 3 Based on Passage) Show Passage

Short Answer Question▾

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Describe one method of birth control that a male can used

Explanation

Condoms are used on the penis during intercourse. They are made of thin latex or plastic that changed into the shape of a penis. They reduce the risk of sexually transmitted diseases (STD).

Question number: 149 (2 of 3 Based on Passage) Show Passage

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By whom the sex of a baby is determined

Explanation

by the male parent’s chromosomes the sex of a baby is determined.

Question number: 150 (3 of 3 Based on Passage) Show Passage

Short Answer Question▾

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State name and location of the part labelled X, Y and Z.

Explanation

X-testis- They are paired organs located outside the bodycavity in the scrotum.

Y-Vas deferens- There is a pair of these ducts in the male body, which connecting the left and right epididymis to the ejaculatory ducts in order to travel sperm

Z-ureter- There are two ureters, one joined to each kidney. The upper half of the ureter is present in the abdomen and the lower half is located in the pelvic area.

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