MCQOPTIONS
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MCQOPTIONS
This section includes 448 Mcqs, each offering curated multiple-choice questions to sharpen your 4th Class knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
A place where an organism or group of organisms live and obtain food, air, water, shelter or space, or light needed to survive is called ________. |
| A. | a habitat |
| B. | a metamorphosis |
| C. | an adaptation |
| D. | locomotion |
| Answer» B. a metamorphosis | |
| 102. |
One of the main characteristics of this group of animals is that they have three pairs of legs. They also have wings. Which group of animals are we talking about? |
| A. | Insects |
| B. | Amphibians |
| C. | Reptiles |
| D. | Birds |
| Answer» B. Amphibians | |
| 103. |
Which of these is an adaptation that helps animals protect themselves? |
| A. | Decomposition |
| B. | Mimicry |
| C. | Camouflage |
| D. | Both (b) and (c) |
| Answer» E. | |
| 104. |
Some animals are hunted illegally for their body parts. Which of the following statements is incorrect regarding animals and the reason they are being hunted for? |
| A. | Musk deer are hunted for a pair of smell glands present under the belly of the males which is used to make perfume. |
| B. | Rhinoceros is hunted for its horns which are used to make ornamental things and medicines. |
| C. | Chiru is hunted for fine wool under fleece called shahtoosh used for making shawls. |
| D. | None of these |
| Answer» E. | |
| 105. |
What kind of plant is pondweed? |
| A. | Aquatic plant |
| B. | Mangrove |
| C. | Mountainous plant |
| D. | Desert plant |
| Answer» B. Mangrove | |
| 106. |
Seeds are vital to most plants as they help in propagation of the species, or in simpler words, help the plant produce the next generation. Which part of a plant contains the seed before it is dispersed? |
| A. | Fruit |
| B. | Flower |
| C. | Root |
| D. | Leaf |
| Answer» B. Flower | |
| 107. |
The blood of many animals is red because of the presence of this pigment containing iron. What is it called? |
| A. | Chlorophyll |
| B. | Haemoglobin |
| C. | Biliverdin |
| D. | Bilirubin |
| Answer» C. Biliverdin | |
| 108. |
When the seasons change, animals such as geese, salmon and whales elsewhere to find a new place to live. |
| A. | fly |
| B. | hunt |
| C. | migrate |
| D. | rest |
| Answer» D. rest | |
| 109. |
Sharks are great swimmers because they have adapted ___ to help them swim. (2015) |
| A. | teeth |
| B. | fins |
| C. | gills |
| D. | none of these |
| Answer» C. gills | |
| 110. |
'X' do not have chlorophyll. 'X' get their nutrients from dead animals and plants. What is 'X'? |
| A. | Parasites |
| B. | Saprophytes |
| C. | Insectivores |
| D. | None of these |
| Answer» C. Insectivores | |
| 111. |
What is the name of the seasonal journey undertaken by many animals to distant feeding and breeding grounds? |
| A. | Aestivation |
| B. | Migration |
| C. | Hibernation |
| D. | Camouflage |
| Answer» C. Hibernation | |
| 112. |
Pistia is a________. |
| A. | Underwater plants |
| B. | Fixed aquatic plants |
| C. | Terrestrial plants |
| D. | Floating aquatic plants |
| Answer» E. | |
| 113. |
Which of the following helps fish to breathe in water? |
| A. | Lungs |
| B. | Swim bladders |
| C. | Gills |
| D. | Skin |
| Answer» D. Skin | |
| 114. |
Human beings are mammals. So are cows and bats. Which of the following is a typical characteristic of mammals? |
| A. | They give birth to young ones. |
| B. | They have hair. |
| C. | They suckle their young ones. |
| D. | All of these |
| Answer» E. | |
| 115. |
Which of the following makes bread fluffy? |
| A. | Viruses |
| B. | Fungi |
| C. | Protozoa |
| D. | None of these |
| Answer» C. Protozoa | |
| 116. |
If there is no Sun. the colour of the sky would be |
| A. | blue |
| B. | orange |
| C. | black |
| D. | green |
| Answer» D. green | |
| 117. |
In which year did Galileo state that the Earth revolves around the Sun? |
| A. | 1632 |
| B. | 1634 |
| C. | 1638 |
| D. | 1641 |
| Answer» B. 1634 | |
| 118. |
The exact time taken by the Earth for single rotation on its own axis is |
| A. | 24 hours |
| B. | 24 hrs. 30 min. |
| C. | 23 hrs. 56 min. 4.09 sec. |
| D. | None of these |
| Answer» D. None of these | |
| 119. |
Choose the correctly matched pair Mars 1. Roman god of war Venus 2. Greek deity of the sky Uranus 3. Dwarf planet Pluto 4. Roman goddess of love and beauty |
| A. | A-1; B-1; C-2; D-3 |
| B. | A-3: B-4; C-2; D-1 |
| C. | A-1; B-2; C-4; D-3 |
| D. | A-1; B-3; C-2; D-3 |
| Answer» B. A-3: B-4; C-2; D-1 | |
| 120. |
The given figure represents which one of the following? (2017) |
| A. | Seasons formation |
| B. | Day and night formation |
| C. | Revolution |
| D. | Both [B] and [C] |
| Answer» C. Revolution | |
| 121. |
Which statement describes the atmosphere of the planet correctly? |
| A. | Venus is mostly carbon dioxide, |
| B. | Mercury is mostly nitrogen. |
| C. | Earth is mostly oxygen, |
| D. | Saturn is mostly helium. |
| Answer» B. Mercury is mostly nitrogen. | |
| 122. |
A piece of stone and/or iron traveling through space that moves through the Earth's atmosphere is |
| A. | Planet |
| B. | Sun |
| C. | Moon |
| D. | Meteor |
| Answer» E. | |
| 123. |
What are the rings of Saturn made from? |
| A. | Gases & clouds |
| B. | Large pieces of ice and rock |
| C. | Wind & storms |
| D. | Satellites |
| Answer» C. Wind & storms | |
| 124. |
None of above What makes the planet Mars look like it is red? |
| A. | The rain and clouds |
| B. | The iron in the soil |
| C. | Fire from volcanoes |
| D. | Because Sun is close |
| Answer» C. Fire from volcanoes | |
| 125. |
The following information shows four planets in the Solar System. P: Mars Q: Mercury R: Neptune S: Uranus. Which planet is nearest to the Sun? |
| A. | P |
| B. | Q |
| C. | R |
| D. | S |
| Answer» C. R | |
| 126. |
Match the following - (2017) Largest planet 1. Mercury Brightest planet 2. Jupiter Densest Planet 3. Earth Smallest planet 4. Venus |
| A. | A-2; B-4; C-3; D-1 |
| B. | A-1: B-4; C-2; D-3 |
| C. | A-2; B-4; C-1; D-3 |
| D. | A-3; B-1; C-2; D-4 |
| Answer» C. A-2; B-4; C-1; D-3 | |
| 127. |
She was the first India-born woman astronaut. She was part of the space shuttle Columbia mission. She died tragically when the craft blew up during re-entering into Earth. Who was she? |
| A. | Kalpana Chawla |
| B. | Sunita Williams |
| C. | Indira Hinduja |
| D. | Janaki Ammal |
| Answer» B. Sunita Williams | |
| 128. |
Which is the fifth largest planet in our solar system? |
| A. | Venus |
| B. | Saturn |
| C. | Earth |
| D. | Mars |
| Answer» C. Earth | |
| 129. |
Consider the following statements; Statement 1: Astronomy is the science of studying space. Statement 2: Astronomy is the science of studying about the biology. Which one of the following is correct about the above statements? |
| A. | Statement 1 is true and 2 is false. |
| B. | Statement 2 is true and 1 is false. |
| C. | Both are true |
| D. | Both are false |
| Answer» B. Statement 2 is true and 1 is false. | |
| 130. |
When was the first artificial satellite Sputnik 1 sent into space? (2016) |
| A. | 1967 |
| B. | 1957 |
| C. | 1977 |
| D. | 1937 |
| Answer» C. 1977 | |
| 131. |
How many planets have rings? |
| A. | 1 |
| B. | 2 |
| C. | 6 |
| D. | 4 |
| Answer» E. | |
| 132. |
Sun looks bigger and brighter than other stars, for which one of the following reasons |
| A. | Because it is big fall of fire |
| B. | Because it is far away from us |
| C. | Because it is the closest star to us |
| D. | Because it is a young star |
| Answer» D. Because it is a young star | |
| 133. |
I am the largest member of the solar system. I have my own light and without my plants can't manufacture its food. Who am I? (2015) |
| A. | Earth |
| B. | Jupiter |
| C. | Sun |
| D. | Saturn |
| Answer» D. Saturn | |
| 134. |
While Venus is seen only for one to two hours either after sunset or before sunrise, Jupiter is seen for the whole night whenever it is visible in the sky. This shows that |
| A. | Venus is much smaller than Jupiter. |
| B. | Venus is far from the Earth than Jupiter. |
| C. | Venus reflects lesser light of Sun than Jupiter. |
| D. | The orbit of Venus is inside the Earth's orbit. |
| Answer» E. | |
| 135. |
Select the correct statement with respect to solar system. |
| A. | The Earth is the densest of all the planets in our solar system. |
| B. | The Sun contains 75% of the mass of the solar system. |
| C. | The diameter of the Sun is 190 times that of the Earth. |
| D. | None of these |
| Answer» B. The Sun contains 75% of the mass of the solar system. | |
| 136. |
The largest planet in our solar system is |
| A. | Jupiter |
| B. | Earth |
| C. | Venus |
| D. | Mercury |
| Answer» B. Earth | |
| 137. |
The following is called 'dwarf planet. 2015) |
| A. | Saturn |
| B. | Jupiter |
| C. | Mars |
| D. | Pluto |
| Answer» E. | |
| 138. |
Which of the following planets is nearest to the Sun? |
| A. | Mercury |
| B. | Venus |
| C. | Mars |
| D. | earth |
| Answer» B. Venus | |
| 139. |
The following planet is known as "blue planet'. |
| A. | Mars |
| B. | Mercury |
| C. | Venus |
| D. | Earth |
| Answer» E. | |
| 140. |
The following planet is considered as 'Earth's-twin". |
| A. | Mars |
| B. | Mercury |
| C. | Venus |
| D. | Saturn |
| Answer» D. Saturn | |
| 141. |
The correct ascending order of distance of planets from Sun is (2017) |
| A. | Mars, Earth. Jupiter. Saturn |
| B. | Earth, Mars. Jupiter, Saturn |
| C. | Earth. Mars, Saturn, Jupiter |
| D. | Earth, Jupiter, Mars, Saturn |
| Answer» B. Earth, Mars. Jupiter, Saturn | |
| 142. |
The sun is ______ million km away from the Earth. |
| A. | 100 |
| B. | 150 |
| C. | 200 |
| D. | 250 |
| Answer» C. 200 | |
| 143. |
Which of the following planet(s) has (have) ring around it (them)? |
| A. | Jupiter |
| B. | Saturn |
| C. | Uranus |
| D. | All of the above |
| Answer» E. | |
| 144. |
In order to their distances from the Sun. which of the following planets lie Mars and Uranus |
| A. | Earth and Jupiter |
| B. | Jupiter and Saturn |
| C. | Saturn and Earth |
| D. | Saturn and Neptune |
| Answer» C. Saturn and Earth | |
| 145. |
Which planet is called the red planet in our solar system? (2015) |
| A. | Mercury |
| B. | Mars |
| C. | Jupiter |
| D. | Neptune |
| Answer» C. Jupiter | |
| 146. |
Among the following planets, which is the brightest plane? |
| A. | Mercury |
| B. | Venus |
| C. | Mars |
| D. | Jupiter |
| Answer» C. Mars | |
| 147. |
Oil, ghee and butter are rich sources of______. |
| A. | Fats |
| B. | Vitamins |
| C. | Minerals |
| D. | Carbohydrates |
| Answer» B. Vitamins | |
| 148. |
The diet that has the right amount of all nutrients our body needs is called ______. |
| A. | Healthy food |
| B. | balanced diet |
| C. | Fast food |
| D. | fantastic diet |
| Answer» C. Fast food | |
| 149. |
'X' is the digestive liquid secreted inside our mouth. What Is 'X'? |
| A. | Blood |
| B. | Plasma |
| C. | Saliva |
| D. | Bile |
| Answer» D. Bile | |
| 150. |
Rice is rich in _____. |
| A. | Carbohydrates |
| B. | Proteins |
| C. | Minerals |
| D. | Fats |
| Answer» B. Proteins | |