If you happen to go to a desert, what changes do you expect to
observe in the urine you excrete? You would
(i) excrete small amount of urine.
(ii) excrete large amount of urine.
(iii) excrete concentrated urine.
(iv) excrete very dilute urine.
Which of the above would hold true?
(a) (i) and (iii) (b) (ii) and (iv)
(c) (i) and (iv) (d) (i) and (ii
Although organisms die, their kind continue to live on earth.
Which characteristic of living organisms makes this possible?
(a) Respiration.
(b) Reproduction.
(c) Excretion.
(d) Movement
Choose the odd one out from below with respect to reproduction.
(a) Eggs of hen
(b) Seeds of plants
(c) Buds of potato
(d) Roots of mango tree
Which one of the following is not associated with reproduction?
(a) A new leaf coming out of a tree branch.
(b) A dog giving birth to puppy.
(c) A seed growing into a plant.
(d) Chick hatching from an egg
Choose the set that represents only the biotic components of a
habitat.
(a) Tiger, Deer, Grass, Soil
(b) Rocks, Soil, Plants, Air
(c) Sand, Turtle, Crab, Rocks
(d) Aquatic plant, Fish, Frog, Insect
Which of the following is an incorrect statement about
excretion?
(a) Excretion takes place in plants.
(b) Excretion takes place both in plants and animals.
(c) Excretion is the process of getting rid of excess water
only.
(d) Secretion is one method of excretion.
Which of the following is correct for respiration in plants?
(a) Respiration takes place only during day time.
(b) Respiration takes place only during night.
(c) Respiration takes place both during day and night.
(d) Respiration takes place only when plants are not makingfood.
Which of the following is not an example of response to
stimulus?
(a) Watering in mouth when we see delicious food items.
(b) Closing of leaves of mimosa plant when touched.
(c) Shutting our eyes when an object is suddenly thrown in
our direction.
(d) A chick hatching out of an egg
Earthworms breathe through their
(a) skin
(b) gills
(c) lungs
(d) stomata
Which of the following are characteristics of living beings ?
(i) Respiration
(ii) Reproduction
(iii) Adaptation
(iv) Excretion
Choose the correct answer from the options below:
(a) (i), (ii) and (iv) only (b) (i) and (ii) only
(c) (ii) and (iv) only (d) (i), (ii), (iii) and (iv)
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