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MCQOPTIONS
This section includes 2267 Mcqs, each offering curated multiple-choice questions to sharpen your 6th Class knowledge and support exam preparation. Choose a topic below to get started.
| 901. |
In plants of gourd and cucurbita, some thread like structures arise from the stem that helps the plants to climb. These structures are called |
| A. | leaf tendrils |
| B. | thorns |
| C. | spines |
| D. | stem tendrils |
| Answer» E. | |
| 902. |
The part marked 'A? in the figure of cucumber plant is called |
| A. | prop root |
| B. | tendril |
| C. | climber |
| D. | petiole |
| Answer» C. climber | |
| 903. |
Look at the below pictures and correctly label A, B.C. |
| A. | A-Herb; B-Shrub; C-Tree |
| B. | A-Shrub; B-Herb; C-Tree |
| C. | A-Tree; B-Herb; C-Shrub |
| D. | None of these |
| Answer» B. A-Shrub; B-Herb; C-Tree | |
| 904. |
Observe the figures given below: After a week (Fig. 4) the weed in pot 'A? was healthy and that in pot 'B' started wilting and drying up. It shows that |
| A. | starch is present in the leaves. |
| B. | for photo synthesis, the presence of sunlight is necessary. |
| C. | transpiration cannot occur in absence of water. |
| D. | water is absorbed by roots and transported to other plant parts. |
| Answer» E. | |
| 905. |
The Picture below shows a pistil. Label its parts A, B, C correctly. |
| A. | A-style; B-stigma; C-ovary |
| B. | A-stigma; B-style; C-ovary |
| C. | A-ovary; B-style; C-stigma |
| D. | None of the above |
| Answer» C. A-ovary; B-style; C-stigma | |
| 906. |
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "assertion and the other labelled as "reason You are to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): The parts of a typical flower are sepals and petals only. Reason (R): The parts of stamen are filament and anther. |
| A. | Both A and R are true and R is the correct explanation of A. |
| B. | Both A and R are true but R is not the correct explanation of A. |
| C. | A is true but R is false. |
| D. | A is false but R is true. |
| Answer» E. | |
| 907. |
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "assertion and the other labelled as "reason You are to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Plants release a lot of water in to the air through the process of transpiration. Reason (R): The water is released through the leaves in the form of water vapour. |
| A. | Both A and R are true and R is the correct explanation of A. |
| B. | Both A and R are true but R is not the correct explanation of A. |
| C. | A is true but R is false. |
| D. | A is false but R is true. |
| Answer» C. A is true but R is false. | |
| 908. |
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "assertion and the other labelled as "reason You are to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): The minerals dissolved in water move up in stem along with water. Reason (R): The stem bears leaves, flowers and fruits. |
| A. | Both A and R are true and R is the correct explanation of A. |
| B. | Both A and R are true but R is not the correct explanation of A. |
| C. | A is true but R is false. |
| D. | A is false but R is true. |
| Answer» C. A is true but R is false. | |
| 909. |
DIRECTIONS: The questions in this segment consists of two statements, one labelled as "assertion and the other labelled as "reason You are to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Trees are plants which are very tall. They have a hard and thick brown stem. Reason (R): Lamina is thin, flat, broad, green part of leaf. |
| A. | Both A and R are true and R is the correct explanation of A. |
| B. | Both A and R are true but R is not the correct explanation of A. |
| C. | A is true but R is false. |
| D. | A is false but R is true. |
| Answer» C. A is true but R is false. | |
| 910. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 To see the inner parts of the flower clearly, you have to cut it open, if its petals are joined, e.g.. In Datura and other bell shaped flowers, the petals have to be cut length wise so that inner parts can be seen clearly. The flowers in a Datura plant |
| A. | are bell shaped |
| B. | the petals of Datura flower are to be cut lengthwise and spread to see its inner part clearly |
| C. | Both the above are correct |
| D. | None of the above |
| Answer» D. None of the above | |
| 911. |
In which of the following plants the stem is very weak and needs support? |
| A. | Gourd |
| B. | Cucurbita |
| C. | Both of these |
| D. | None of these |
| Answer» D. None of these | |
| 912. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 To see the inner parts of the flower clearly, you have to cut it open, if its petals are joined, e.g.. In Datura and other bell shaped flowers, the petals have to be cut length wise so that inner parts can be seen clearly. Which one of the following is the inner most part of a flower and also the female structure of a flower? |
| A. | Anther |
| B. | Ovary |
| C. | Pistil |
| D. | None of these |
| Answer» D. None of these | |
| 913. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-2 Various parts of a plant are stem, branches, roots, leaves, flowers and fruits. Plants are classified on the basis of differences in their heights, stems and branches. Branches grow in some plants close to the ground and in some plants higher up on the stems. A plant has green and tender stem. The plant is most likely to belong to which category? |
| A. | Herb |
| B. | Shrub |
| C. | Tree |
| D. | Can't predict |
| Answer» B. Shrub | |
| 914. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-2 Various parts of a plant are stem, branches, roots, leaves, flowers and fruits. Plants are classified on the basis of differences in their heights, stems and branches. Branches grow in some plants close to the ground and in some plants higher up on the stems. Select the one in which the branches appear higher up on the stem. |
| A. | Brinjal |
| B. | Wheat |
| C. | Mango |
| D. | None of these |
| Answer» D. None of these | |
| 915. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-2 Various parts of a plant are stem, branches, roots, leaves, flowers and fruits. Plants are classified on the basis of differences in their heights, stems and branches. Branches grow in some plants close to the ground and in some plants higher up on the stems. On the basis of height and other characteristics Neem plant is classified as |
| A. | herb |
| B. | shrub |
| C. | tree |
| D. | Any of these |
| Answer» D. Any of these | |
| 916. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-1 If you look at a leaf carefully you can easily see some lines on the leaf. These lines are called veins. In some cases you can see a thick vein in the middle of the leaf. This vein is called midrib. The design made by veins is called the leaf venation. Parallel venation can be seen in |
| A. | leaves of grass |
| B. | leaves of Peepal tree |
| C. | Both of the above |
| D. | None of these |
| Answer» B. leaves of Peepal tree | |
| 917. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-1 If you look at a leaf carefully you can easily see some lines on the leaf. These lines are called veins. In some cases you can see a thick vein in the middle of the leaf. This vein is called midrib. The design made by veins is called the leaf venation. The pattern of veins of the leaf is called |
| A. | leaf venation |
| B. | reticulate venation |
| C. | parallel venation |
| D. | All of the above |
| Answer» B. reticulate venation | |
| 918. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column-I Column-II A. Tap root (p) The part of leaf B. Fibrous roots (q) The main root of plants with reticulate venation C. Stem (r) Found in plants with parallel venation D. Petiole (s) Conducts water |
| A. | \[A\to (p);B\to (q);C\to (r);D\to (s)\] |
| B. | \[A\to (q);B\to (r);C\to (s);D\to (p)\] |
| C. | \[A\to (r);B\to (s);C\to (p);D\to (q)\] |
| D. | \[A\to (s);B\to (p);C\to (q);D\to (r)\] |
| Answer» C. \[A\to (r);B\to (s);C\to (p);D\to (q)\] | |
| 919. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column-I Column-II A. stamens (p) The portion of the pistil receiving the pollen B. Filament (q) The female structure of a flower C. Pistil (r) The stalk of an anther D. Stigma (s) It is an inner part of a flower |
| A. | \[A\to (s);B\to (r);C\to (q);D\to (p)\] |
| B. | \[A\to (s);B\to (q);C\to (r);D\to (p)\] |
| C. | \[A\to (r);B\to (s);C\to (p);D\to (q)\] |
| D. | \[A\to (q);B\to (r);C\to (s);D\to (p)\] |
| Answer» B. \[A\to (s);B\to (q);C\to (r);D\to (p)\] | |
| 920. |
The plants having weak stem and take support on neighbouring structures is called a |
| A. | creeper |
| B. | climber |
| C. | Both of these |
| D. | None of these |
| Answer» C. Both of these | |
| 921. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column - I Column - II A. Ovary (p) The slender, elongated portion of pistil B. Ovule (q) The upper two lobed part of a plant stamen C. Pistil (r) Enlarged basal portion of pistil D. style (s) An oval body in ovary of a flower which develops into a seed |
| A. | \[A\to (p);B\to (q);C\to (r);D\to (s)\] |
| B. | \[A\to (r);B\to (s);C\to (p);D\to (q)\] |
| C. | \[A\to (r);B\to (s);C\to (q);D\to (p)\] |
| D. | \[A\to (p);B\to (s);C\to (r);D\to (q)\] |
| Answer» D. \[A\to (p);B\to (s);C\to (r);D\to (q)\] | |
| 922. |
A modified leaf that forms one of the components of calyx of flower and made of small leaf like structures is fallown as |
| A. | petals |
| B. | sepals |
| C. | stamen |
| D. | None of these |
| Answer» C. stamen | |
| 923. |
In a rose flower, we find |
| A. | many sepals which are coloured |
| B. | stamen are joined to petals |
| C. | pistil is not present |
| D. | All of the above are correct |
| Answer» B. stamen are joined to petals | |
| 924. |
How many whorls are there in typical flower? |
| A. | 1 |
| B. | 2 |
| C. | 4 |
| D. | 3 |
| Answer» D. 3 | |
| 925. |
To test the presence of starch, why is leaf covered with spirit? |
| A. | To kill the leaf |
| B. | To dissolve chlorophyll |
| C. | To remove starch |
| D. | None of the above |
| Answer» C. To remove starch | |
| 926. |
A plant has weak stem and cannot stand upright. It spreads on the ground. It may be called |
| A. | herb |
| B. | shrub |
| C. | creeper |
| D. | climber |
| Answer» D. climber | |
| 927. |
Which of the following in used to test the presence of starch? |
| A. | Copper sulphate |
| B. | Iodine |
| C. | Sugar |
| D. | Water |
| Answer» C. Sugar | |
| 928. |
Why do we eat roots of turnip? |
| A. | Food is stored in them. |
| B. | Starch is prepared in them. |
| C. | It is a green vegetable. |
| D. | It is easily available. |
| Answer» B. Starch is prepared in them. | |
| 929. |
Why are roots said to anchor the plant in soil? |
| A. | The roots absorb water from the soil. |
| B. | The roots transport water and minerals to various parts of plant. |
| C. | The roots help in holding the plant firmly in the soil. |
| D. | The roots are fibrous in nature. |
| Answer» D. The roots are fibrous in nature. | |
| 930. |
The flat green portion of the leaf is called |
| A. | petiole |
| B. | lamina |
| C. | leaflet |
| D. | stipule |
| Answer» C. leaflet | |
| 931. |
Which plant has prop roots? (p) Bamboo (q) Sugarcane (r) Banyan (s) p, q and r |
| A. | Only p |
| B. | (p) and (q) |
| C. | p, q and r |
| D. | All of these |
| Answer» D. All of these | |
| 932. |
The tendril in a pea plant is a modified |
| A. | leaf |
| B. | stem |
| C. | stipules |
| D. | flower |
| Answer» B. stem | |
| 933. |
Which of the following is the female reproductive part of flower? |
| A. | Sepal |
| B. | Androecium |
| C. | Gynoecium |
| D. | Petal |
| Answer» D. Petal | |
| 934. |
A cactus plant grows in desert and its leaves are modified into spines. So, which part of cactus then performs photosynthesis? |
| A. | Roots |
| B. | Stem |
| C. | Spines |
| D. | Flowers |
| Answer» C. Spines | |
| 935. |
Ginger shows brown scale like leaves on it. The part of ginger that we use in cooking is actually a |
| A. | stem |
| B. | root |
| C. | leaf |
| D. | fruit |
| Answer» B. root | |
| 936. |
Classify Neem in one of the categories of plants |
| A. | Herb |
| B. | Shrub |
| C. | Tree |
| D. | All of these |
| Answer» D. All of these | |
| 937. |
Different flowers have petals of |
| A. | different colour |
| B. | same colour |
| C. | mixed colours |
| D. | None of these |
| Answer» B. same colour | |
| 938. |
When the inner part of an ovary of a flower were observed with the help of a lens, some small beadlike structures are observed. These are called |
| A. | anther |
| B. | stamen |
| C. | ovule |
| D. | None of these |
| Answer» D. None of these | |
| 939. |
The leaf uses water to make food. The water is supplied to the leaf by |
| A. | roots |
| B. | stem |
| C. | flower |
| D. | All of these |
| Answer» C. flower | |
| 940. |
Which type of veins are present in grass? |
| A. | Mid-rib |
| B. | Reticulate venation |
| C. | Parallel venation |
| D. | None of the above |
| Answer» D. None of the above | |
| 941. |
Pistil is the |
| A. | inner most part of the flower |
| B. | female structure of the flower |
| C. | Both the above |
| D. | None of the above |
| Answer» D. None of the above | |
| 942. |
A pistil consists of |
| A. | ovary |
| B. | ovary and style |
| C. | ovary and stigma |
| D. | ovary, style and stigma |
| Answer» E. | |
| 943. |
Petals are |
| A. | modified leaf |
| B. | usually coloured |
| C. | forms part of corolla of flower |
| D. | All of these |
| Answer» E. | |
| 944. |
Select the plant whose roots store food for future use. |
| A. | Turnip |
| B. | Sweet potato |
| C. | Tapioca |
| D. | All of these |
| Answer» E. | |
| 945. |
A brinjal plant belongs to which of the following category? |
| A. | Herb |
| B. | Shrub |
| C. | Tree |
| D. | None of these |
| Answer» B. Shrub | |
| 946. |
Which part of the plant anchors the plant firmly in the soil? |
| A. | Root |
| B. | Stem |
| C. | Both of these |
| D. | None of these |
| Answer» B. Stem | |
| 947. |
The water is released |
| A. | by plants into air by process of transpiration |
| B. | through leaves in the form of water vapour |
| C. | Both the above |
| D. | None of the above |
| Answer» D. None of the above | |
| 948. |
Look at the figures below and try to guess the colour of flower in fig. 'B' after few hours? The colour of flower will most likely be |
| A. | white |
| B. | blue |
| C. | red |
| D. | half blue and other half red |
| Answer» C. red | |
| 949. |
The lines on the broad green part of the leaf are called |
| A. | lamina |
| B. | veins |
| C. | venation |
| D. | None of these |
| Answer» C. venation | |
| 950. |
The part of the leaf by which it is attached to the stem is called |
| A. | petiole |
| B. | lamina |
| C. | veins |
| D. | None of these |
| Answer» B. lamina | |