Consider the following sets of reproductive terms
A. Sperm, oviduct, egg, uterus
B. Ovulation, egg, oviduct, uterus
C. Sperm, testis, sperm duct, penis
D. Menstruation, egg, oviduct, uterus

The sets of correct combination are

• A, B, and C

• B, C, and D

• C, D, and A

• A, B, and D

Which of the following elements must be available in water for the metamorphosis of tadpoles?

• Chlorine

• Bromine

• Sulphur

• Iodine

43.

Which of the following terms constitute the female part of a flower?

• Stigma, ovary, and stamen

• Stigma, ovary, and style

• Stamen, ovary, and style

• Stamen, petals, and sepals

How many muscles work together to move a bone?

• Two

• Six

• Four

• Number is not fixed

Choose the set that represents only the biotic component of a habitat.

• Sand, turtle, crab, rocks

• Insects, frog, fish, aquatic plants

• Tiger, deer, grass, soil

• Insects, water, aquatic plants, fish

Study the following table.

Group	Parts of stamen	Parts of pistil
A	Anther, filament	Ovary, Stigma, Style
B	Anther, petal	Anther, Sepal, stigma
C	Stigma, Filament	Style, Stigma, sepal
D	Style, ovary	Anther, filament, ovary

The group in which the parts of stamen and parts of pistil are correctly shown is

• A

• B

• C

• D

If you carefully dig a grass plant and observe its roots and leaves you will find that it has

• taproots and parallel venation

• taproots and reticulate venation

• fibrous roots and reticulate venation

• fibrous roots and parallel venation

An animal pops out its stomach through its mouth to eat the soft material of those animals which are covered by hard shells of calcium carbonate. After opening the shell and eating the soft material the stomach goes back into the body of the animal to slowly digest the food. The name of this animal is

• Crocodile

• Octopus

• Tortoise

• Starfish

The ratio between the lengths of small intestine and large intestine in the human body is

• 8 :1

• 5:1

• 1:5

• 1:8

The normal temperature of human body on the Celsius scale and Fahrenheit scales is respectively

• 37°C and 98.6°F

• 37°F and 98.6°C

• 37°C and 96.8°F

• 37°F and 96.8°C