MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 2637 Mcqs, each offering curated multiple-choice questions to sharpen your 7th Class knowledge and support exam preparation. Choose a topic below to get started.
| 1701. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 The forest floor provides favorable conditions for seed produced by trees to germinate and develop into seedlings and saplings. Some grow into trees. The branchy part of a tree above the stem is known as crown. The branches of the tall trees look like a roof over the other plants in the forest. This is called canopy All the seeds in forests develop into |
| A. | bushes |
| B. | grasses |
| C. | tall trees |
| D. | none of these |
| Answer» E. | |
| 1702. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 Forests are a useful natural resource for us. Forests serve as green lungs and water purifying systems in nature. Forests provide shelter to many animals, birds and insects. Many animals like boar, bison, and jackal elephant live in the deeper areas of forests. And forests protect us from droughts and floods. Which of the following is a source of food and shelter for animals, birds and insects? |
| A. | Uppermost layer |
| B. | Lowest layer of vegetation |
| C. | Different layers of vegetation |
| D. | None of these |
| Answer» D. None of these | |
| 1703. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 Forests are a useful natural resource for us. Forests serve as green lungs and water purifying systems in nature. Forests provide shelter to many animals, birds and insects. Many animals like boar, bison, and jackal elephant live in the deeper areas of forests. And forests protect us from droughts and floods. Rajendra Singh, nicknamed the "water man" is a pioneer in the field of water conservation, his main area of activities being drought prone western Rajasthan. He was awarded a prize for his work in 2001. Which of the following awards did he receive? |
| A. | Raman Magsaysay award for community leadership |
| B. | Bharat Ratna |
| C. | Padma Shree |
| D. | Nobel Peace prize |
| Answer» B. Bharat Ratna | |
| 1704. |
DIRECTIONS: Match column I with column II and select the correct answers using the code given below the columns. Column-I Column-II (A) producer (p) animals (B) consumer (q) sun (C) decomposer (r) plants (D) source of energy (s) bacteria, fungi |
| A. | (A) \[\to \] (q),(B) \[\to \] (r),(C) \[\to \] (p),(D) \[\to \] (s) |
| B. | (A) \[\to \] (r),(B) \[\to \] (p),(C) \[\to \] (s),(D) \[\to \] (q) |
| C. | (A) \[\to \] (s),(B) \[\to \] (q),(C) \[\to \] (r),(D) \[\to \] (p) |
| D. | (A) \[\to \] (p),(B) \[\to \] (s),(C) \[\to \] (q),(D) \[\to \] (r) |
| Answer» C. (A) \[\to \] (s),(B) \[\to \] (q),(C) \[\to \] (r),(D) \[\to \] (p) | |
| 1705. |
DIRECTIONS: Match column I with column II and select the correct answers using the code given below the columns. Column-I Column-II (A) Crown of a tree (i) Understory?s (B) Canopy (ii) Branchy part of a tree above the stem. (C) Decomposers (iii) Green lungs. (D) Forests (iv) Mushrooms |
| A. | (A) \[\to \] (i),(B) \[\to \] (ii),(C) \[\to \] (iii),(D) \[\to \] (iv) |
| B. | (A) \[\to \] (ii),(B) \[\to \] (i),(C) \[\to \] (iii),(D) \[\to \] (iv) |
| C. | (A) \[\to \] (ii),(B) \[\to \] (i),(C) \[\to \] (iv),(D) \[\to \] (iii) |
| D. | (A) \[\to \] (i),(B) \[\to \] (ii),(C) \[\to \] (iv),(D) \[\to \] (iii) |
| Answer» D. (A) \[\to \] (i),(B) \[\to \] (ii),(C) \[\to \] (iv),(D) \[\to \] (iii) | |
| 1706. |
DIRECTIONS: Match column I with column II and select the correct answers using the code given below the columns. Column-I Column-II (A) Crown (p) Branches of tall trees forming a roof in a forest (B) Understory (q) Plants that climb another trees (C) canopy (r) different horizontal layers in forests (D) Creepers (s) Branchy part of tree above the stem |
| A. | (A) \[\to \] (r),(B) \[\to \] (q),(C) \[\to \] (p),(D) \[\to \] (s) |
| B. | (A) \[\to \] (s),(B) \[\to \] (r),(C) \[\to \] (p),(D) \[\to \] (q) |
| C. | (A) \[\to \] (q),(B) \[\to \] (p),(C) \[\to \] (s),(D) \[\to \] (r) |
| D. | (A) \[\to \] (p),(B) \[\to \] (s),(C) \[\to \] (r),(D) \[\to \] (q) |
| Answer» C. (A) \[\to \] (q),(B) \[\to \] (p),(C) \[\to \] (s),(D) \[\to \] (r) | |
| 1707. |
Which of the following produce food? |
| A. | Saprotroph |
| B. | autotrophs |
| C. | Heterotrophs |
| D. | Herbivores |
| Answer» C. Heterotrophs | |
| 1708. |
Which of the following play a very important role in causing rainfall? |
| A. | vehicles |
| B. | animals |
| C. | factories |
| D. | plants |
| Answer» E. | |
| 1709. |
When we destroy a forest we destroy |
| A. | Food and shelter of wild animals |
| B. | an ecosystem |
| C. | Plant life |
| D. | population of wild life |
| Answer» C. Plant life | |
| 1710. |
Ecosystem has two components. They are |
| A. | plants and animals |
| B. | living and non-living |
| C. | frogs and man |
| D. | trees and fungi |
| Answer» C. frogs and man | |
| 1711. |
Ecosystem means |
| A. | organisms reacting with one another |
| B. | a community of organisms together with the environment in which they live |
| C. | Abiotic components |
| D. | Earth and its atmosphere |
| Answer» C. Abiotic components | |
| 1712. |
A food chain consists of |
| A. | producers only |
| B. | producers and consumers |
| C. | consumers only |
| D. | decomposers only |
| Answer» C. consumers only | |
| 1713. |
Earth's weather is primarily caused by the |
| A. | drifting of Earth's crustal plates |
| B. | gravitational attraction of the Moon |
| C. | uneven heating of Earth's surface |
| D. | changing distance between Earth and the Sun |
| Answer» D. changing distance between Earth and the Sun | |
| 1714. |
Weathering and erosion of Earth's crust are primarily caused by |
| A. | gravity |
| B. | volcanic activity |
| C. | evaporation |
| D. | sedimentation |
| Answer» C. evaporation | |
| 1715. |
Plants release oxygen through |
| A. | transpiration |
| B. | food chain |
| C. | photosynthesis |
| D. | none of these |
| Answer» D. none of these | |
| 1716. |
A forest consists of |
| A. | animals |
| B. | plants |
| C. | floor converted with dead and decaying matter |
| D. | All of the above |
| Answer» E. | |
| 1717. |
The micro-organisms that convert the dead plants and animals to humus are known as |
| A. | primary consumers |
| B. | decomposers |
| C. | predators |
| D. | none of these |
| Answer» C. predators | |
| 1718. |
In the absence of plants/trees/forests |
| A. | Global warming will be caused. |
| B. | Animals will not get food and shelter. |
| C. | Floods will be caused |
| D. | All the above are correct. |
| Answer» E. | |
| 1719. |
Forests protect soil from |
| A. | eutrippication |
| B. | erosion |
| C. | both of these |
| D. | none of these |
| Answer» C. both of these | |
| 1720. |
In the forests there is interaction between. |
| A. | soil and water only |
| B. | air and living organism only |
| C. | soil, water, air and living organisms. |
| D. | none of the above is correct |
| Answer» D. none of the above is correct | |
| 1721. |
Which of the following animals live in deeper areas of forests? |
| A. | Boar |
| B. | Bison |
| C. | Elephant |
| D. | All of these |
| Answer» E. | |
| 1722. |
The cricket bats are made out of wood of which of the following? |
| A. | Sal |
| B. | Rose wood |
| C. | Teak |
| D. | Willow |
| Answer» E. | |
| 1723. |
Find the missing link Grass\[\to \]insect\[\to \]frog\[\to \]______\[\to \]eagle |
| A. | snake |
| B. | peacock |
| C. | crow |
| D. | lion |
| Answer» B. peacock | |
| 1724. |
Select the country that is the largest producer of fuel wood in the world. |
| A. | India |
| B. | China |
| C. | Russia |
| D. | Indonesia |
| Answer» B. China | |
| 1725. |
A tree species in Mauritius failed to reproduce because of extinction of a fruit eating bird. The bird was |
| A. | Condor |
| B. | Dodo |
| C. | Dove |
| D. | Skua |
| Answer» C. Dove | |
| 1726. |
Some herbs and plants that were used in ancient times for making drugs and are even now used for the same purpose. Which of the following is not one of these? |
| A. | Marigold |
| B. | Foxglove |
| C. | Belladona |
| D. | The plant of castor oil. |
| Answer» B. Foxglove | |
| 1727. |
An animal which feeds on dead organisms is a |
| A. | scavenger |
| B. | first level carnivore |
| C. | second level carnivore |
| D. | parasite |
| Answer» B. first level carnivore | |
| 1728. |
Select the one that is not a forest product. |
| A. | gum |
| B. | plywood |
| C. | sealing wax |
| D. | kerosene |
| Answer» E. | |
| 1729. |
Disappearance of forests will lead to increase in amount of carbon dioxide in air. It is likely to result in |
| A. | Eutrophication |
| B. | Global warming |
| C. | Deforestation |
| D. | Afforestation |
| Answer» C. Deforestation | |
| 1730. |
DIRECTIONS: Carefully observe pictures given below and answer the following questions. Look at the following picture of canopy and understory in a forest and answer the following question In this diagram B shows. |
| A. | canopy |
| B. | crown |
| C. | understorey |
| D. | none of these |
| Answer» D. none of these | |
| 1731. |
DIRECTIONS: Carefully observe pictures given below and answer the following questions. Look at the following picture of canopy and understory in a forest and answer the following question Look at the above diagram. In this diagram A shows. |
| A. | canopy |
| B. | crown |
| C. | understorey |
| D. | none of these |
| Answer» B. crown | |
| 1732. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Trees form the middle layer in a forest (ii) Trees have crowns of same size (iii) There are no creepers and climbers in a forest. |
| A. | Statements (i) and (iii) are incorrect but (ii) is correct. |
| B. | Statements (i) and (ii) are incorrect but (iii) is correct. |
| C. | All statements are correct. |
| D. | All statements are incorrect. |
| Answer» E. | |
| 1733. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Forests cause droughts (ii) Forests cause floods (iii) Forests cause rainfall |
| A. | Statements (i) and (iii) are incorrect but (ii) is correct. |
| B. | Statements (i) and (ii) are incorrect but (iii) is correct. |
| C. | All statements are correct. |
| D. | All statements are incorrect. |
| Answer» C. All statements are correct. | |
| 1734. |
If forests disappear |
| A. | Amount of \[C{{O}_{2}}\]in air will decrease |
| B. | Amount of \[C{{O}_{2}}\] in air will increase |
| C. | Amount of \[{{O}_{2}}\]in air will increase |
| D. | Amount of \[{{N}_{2}}\] in air will increase |
| Answer» C. Amount of \[{{O}_{2}}\]in air will increase | |
| 1735. |
The branchy part of a tree above the stem is called:- |
| A. | canopy |
| B. | hub |
| C. | crown |
| D. | shrub |
| Answer» D. shrub | |
| 1736. |
Pick the odd one out from each series given below and select the correct option.(i) Muga, Kosa, Cashmere, Tussar(ii) Larva, Pupa, Silk moth, Tadpole(iii) Patanwadi, Marwari, Pashmina, Lohi |
| A. | (i)(ii)(iii)MugaPupaPatanwadi |
| B. | (i)(ii)(iii)CashmereTadpolePashmina |
| C. | (i)(ii)(iii)CashmereLarvaMarwari |
| D. | (i)(ii)(iii)KosaSheepLohi |
| Answer» C. (i)(ii)(iii)CashmereLarvaMarwari | |
| 1737. |
Given below are two groups of materials used to make dress articles. Group I Group II Flax Cotton Jute Wool Silk Which of the following does not belong to the group formed by the others? |
| A. | Leather |
| B. | Flax |
| C. | Cotton |
| D. | Silk |
| Answer» D. Silk | |
| 1738. |
Wool industry is an important means of livelihood for many people in our country. But sorters' job is risky as sometimes they get infected by a____ called____.which leads to a fatal lung disease called sorter's disease. |
| A. | Bacterium, Bacillus anthracis |
| B. | Bacterium, Escherichia coli |
| C. | Fungus, Salmonella typhimuhum |
| D. | Virus, Vibrio anthracis |
| Answer» B. Bacterium, Escherichia coli | |
| 1739. |
Which of the following is used to protect silk and woollen clothes? |
| A. | Medicines |
| B. | Salt solution |
| C. | Benzene solution |
| D. | Naphthalene balls |
| Answer» E. | |
| 1740. |
Woollen clothes keep us more warm than cotton clothes because: |
| A. | They are produced from very thin fibre. |
| B. | They have a greater bulk and trap more air. |
| C. | They do not absorb air. |
| D. | They are obtained from animals living in deserts. |
| E. | None of these |
| Answer» C. They do not absorb air. | |
| 1741. |
Which of the following stages in the life history of a silk moth produces silk fibres? |
| A. | |
| B. | |
| C. | |
| D. | |
| Answer» D. | |
| 1742. |
Which of the following cannot give woollen fibre? |
| A. | Llama |
| B. | Alpaca |
| C. | Moth |
| D. | Goat |
| E. | None of these |
| Answer» D. Goat | |
| 1743. |
The given table enlists types of silk (P) and plants on the leaves of which the related silkworm feeds (Q). Select the option which completes the table. P Q Mulberry Mulberry Muga X Eri Y Tussar Z |
| A. | X Y Z Som Castor Arjun |
| B. | X Y Z Arjun Castor Sal |
| C. | X Y Z Sal Saja Arjun |
| D. | X Y Z Custor Sal Som |
| Answer» B. X Y Z Arjun Castor Sal | |
| 1744. |
Marwari and Patanwadi are breeds of: |
| A. | Goat |
| B. | Sheep |
| C. | camels |
| D. | Silkworm |
| E. | None of these |
| Answer» C. camels | |
| 1745. |
Match column I with column II and select the correct option from the codes given below. Column I (Material) Column II (Smell on burning) (a) Silk (i) Burning plastic (b) Wool (ii) Charred meat (c) Nylon (iii) Burning hair |
| A. | (a) - (i) (b) - (ii) (c) - (iii) |
| B. | (a) - (iii) (b) - (i) (c) - (ii) |
| C. | (a) - (iii) (b) - (ii) (c) - (i) |
| D. | (a) - (ii) (b) - (iii) (c) - (i) |
| Answer» E. | |
| 1746. |
Woollen clothes are preferred to be worn on which of the following days? |
| A. | Hot day |
| B. | Rainy day |
| C. | Cold day |
| D. | Sunny day |
| Answer» D. Sunny day | |
| 1747. |
We can get wool from which of the following animals? |
| A. | Goat |
| B. | Yak |
| C. | Sheep |
| D. | All of these |
| Answer» E. | |
| 1748. |
Angora wool is obtained from Angora: |
| A. | Sheeps |
| B. | Rabbit |
| C. | Camels |
| D. | Yaks |
| E. | None of these |
| Answer» C. Camels | |
| 1749. |
Silk fibres are obtained from which of the following organisms? |
| A. | Silk flies |
| B. | Silk animals |
| C. | Silk sheep |
| D. | Silkworms |
| Answer» E. | |
| 1750. |
After weaving: |
| A. | Yarns of silk are converted into silk cloth. |
| B. | Silk fibre is converted into silk yarns. |
| C. | Silk fibre are obtained from silk. |
| D. | All the above |
| E. | None-of these |
| Answer» B. Silk fibre is converted into silk yarns. | |