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
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
A.
Two
Bones move by the working of two muscles; i.e. agonise and antagonist muscles. The agonist muscles are the acting muscle while the antagonist muscle works opposite to the agonist muscle to prevent the injury and control the movement of bones.
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