Junior Science Teacher Test Preparation MCQs

Most Important Junior Science Teacher (JST) Test Preparation MCQs are prepared from authenticate source to crack the exam and get passing marks. These are most repeated Questions and will help to candidates for job secure.

The productive part in the flowering plants:
a) Root
b) Stem
c) Flower
d) Branch
Answer: c
Which one of the following is the female sex organ:
a) Stamen
b) Carpel
c) Petal
d) Sepal
Answer: b
Potato is asexually produced through:
a) Layering
b) Tubers
c) Cutting
d) Grafting
Answer: b
Seed develops from:
a) Ovule
b) Ovary
c) Anther
d) None
Answer: a
In plants is a kind of reproduction in which only one parent plant is involved:
a) Asexual reproduction
b) Sexual reproduction
c) Both a and b
d) None of these
Answer: a
In plants is also known as vegetative reproduction or vegetative propagation:
a) Asexual reproduction
b) Sexual reproduction
c) Both a and b
d) None of these
Answer: a
Potato is the example of which asexual reproduction method?
a) Grafting
b) Cutting
c) Layering
d) Tubers
Answer: d
Which of the following are the male reproductive organs?
a) Carpel
b) Stamens
c) Sepal
d) Stalk
Answer: b
Egg in carpel is known as:
a) Anther
b) Ovary
c) Style
d) Ovule
Answer: d
The transfer of pollen grains from anther to the stigma of the carpel is called:
a) Pollination
b) Germination
c) Fertilization
d) Generation
Answer: a
An example of flowers pollinated by water is:
a) Vallisneria
b) Hydrilla
c) Zostera
d) All of these
Answer: d
Which of the following is/are the agents of pollination?
a) Insect
b) Birds
c) Wind, water
d) All of these
Answer: d
In reproduction system, the zygote is formed inside:
a) Ovary
b) Stigma
c) Anther
d) Pollen grain
Answer: a
As embryo grows, ovule turns into a:
a) Fruit
b) Flower
c) Ovary
d) Seed
Answer: d
The part of a plant that forms seeds is the:
a) Stem
b) Root
c) Leaf
d) Flower
Answer: d
When a bee visits a flower:
a) Seeds stick to its body
b) Cones stick to its body
c) Pollen grains stick to its body
d) Fruit sticks to its body
Answer: c
The sticky part of a flower is called:
a) Sepal
b) Stamen
c) Ovary
d) Stigma
Answer: d
The process by which organisms produce more organisms like themselves:
a) Reproduction
b) Germination
c) Fertilization
d) All of these
Answer: a
Male sex cell is called:
a) Sperm
b) Egg
c) Both a and b
d) None of these
Answer: a
Female sex cell is called:
a) Sperm
b) Egg
c) Both a and b
d) None of these
Answer: b
Sex cells are also called:
a) Germ
b) Germination
c) Gametes
d) None of these
Answer: c
The transfer of pollen grains from the anther to the stigma of the same flower or another flower on the same plant is called:
a) Self-pollination
b) Cross-pollination
c) Both a and b
d) None of these
Answer: a
The transfer of pollen grain from the anther of a flower to the stigma of a flower on another plant of the same kind is called:
a) Self-pollination
b) Cross-pollination
c) Both a and b
d) None of these
Answer: b
The agents that carry pollen grains from the anthers of flowers to the stigmas are called:
a) Pollinators
b) Germinators
c) Fertilizers
d) All of these
Answer: a
Living place of an organism is called:
a) Habitat
b) Environment
c) Ecosystem
d) Species
Answer: a
An animal that feed on plants is called:
a) Secondary consumer
b) Primary consumer
c) Decomposer
d) Producer
Answer: b
Organisms that makes their own food are called:
a) Producers
b) Heterotrophs
c) Consumers
d) Decomposers
Answer: a
The meat eaters are also known as:
a) Herbivores
b) Carnivores
c) Omnivores
d) Producers
Answer: b
Cats, dogs, lions and human being are the examples of:
a) Herbivores
b) Carnivores
c) Omnivores
d) Producers
Answer: c
Which of the following depend on both plants and animals for their food?
a) Herbivores
b) Carnivores
c) Omnivores
d) Producers
Answer: c
Human, crows and sparrows are the examples of:
a) Herbivores
b) Carnivores
c) Omnivores
d) Producers
Answer: c
Cows, goats, sheep and buffaloes are the examples of:
a) Herbivores
b) Carnivores
c) Omnivores
d) Producers
Answer: a
The study of relationship of living organisms with their environment is:
a) Ecology
b) Social biology
c) Etymology
d) Physiology
Answer: a
Which of the following is the basic functional unit of environment?
a) Ecosystem
b) Ecology
c) Abiotic
d) Biotic
Answer: a
How many components of ecosystem?
a) Two
b) Three
c) Four
d) Five
Answer: a
Which of the following is/are the components of biotic?
a) Animals
b) Plants
c) Microorganisms
d) All of these
Answer: d
Which of the following is/are the components of abiotic?
a) Light
b) Water
c) Air
d) All of these
Answer: d
Cows, goats, sheep and buffaloes are the examples of:
a) Herbivores
b) Carnivores
c) Omnivores
d) Producers
Answer: a
Plants obtain nutrients from the:
a) Soil
b) Air
c) Sun
d) None of these
Answer: a
Plants obtain carbon dioxide from the:
a) Soil
b) Air
c) Sun
d) None of these
Answer: b
Those animals which active during at night are called:
a) Nocturnal animals
b) Diurnal
c) Crepuscular
d) None of these
Answer: a
Which of the following environment is very cold and windy?
a) Grass land
b) Desert land
c) Tundra
d) Wet land
Answer: c
_____ is a way through which an animal’s body helps it to survive or live in its environment.
a) Hibernation
b) Adaptation
c) Conversion
d) None of these
Answer: b
Which of the following is a state of inactivity in animals during winter season?
a) Migration
b) Hibernation
c) Aestivation
d) Dormancy
Answer: b
Bears, skunks, frogs and chipmunks are the examples of:
a) Migration
b) Hibernation
c) Aestivation
d) Dormancy
Answer: b
Which of the following is similar to hibernation but occurs in some animals during summer or dry period?
a) Migration
b) Hibernation
c) Aestivation
d) Dormancy
Answer: c
Amphibians, reptiles and snails are the examples of:
a) Migration
b) Hibernation
c) Aestivation
d) Dormancy
Answer: c
_____ is a way of concealing when an animal blends with its surrounding environment to help it to hide.
a) Migration
b) Hibernation
c) Aestivation
d) Camouflage
Answer: d
Chameleon is the example of:
a) Migration
b) Hibernation
c) Aestivation
d) Camouflage
Answer: d
Food chains always begin with a:
a) Consumer
b) Producer
c) Decomposer
d) All of these
Answer: b
Which of the following is the primary source of energy in a food chain?
a) Plants
b) Animals
c) Sun
d) None of these
Answer: c
The sunlight energy enters in an ecosystem through:
a) Plants
b) Decomposers
c) Animals
d) Water
Answer: a
Trees that lose their leaves are dormant in winter:
a) Dormancy
b) Hibernation
c) Aestivation
d) Camouflage
Answer: a
Organisms of the same kind living and reproducing in a particular area are called:
a) Population
b) Environment
c) Ecosystem
d) Habitat
Answer: a
All the population of different kinds of organisms living together in an area make a/an:
a) Population
b) Community
c) Ecosystem
d) Habitat
Answer: b
This is a grassy, windy partly dry area:
a) Pond
b) Desert
c) Grassland
d) None of these
Answer: c
It is an aquatic habitat which is rich in life:
a) Pond
b) Desert
c) Grassland
d) None of these
Answer: a
Which of the following is the driest land area?
a) Pond
b) Desert
c) Grassland
d) Rainforest
Answer: b
Herbs, shrubs, trees, butterflies, snakes, lizards, frogs, parrots, cockatoos, humming birds, cat and jaguars are found in:
a) Pond habitat
b) Desert habitat
c) Grassland habitat
d) Rainforest habitat
Answer: d
A ______ is a period when there is no rain for long time in area:
a) Disasters
b) Drought
c) Driest
d) Drier
Answer: b