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Class 6 Science Growth and Reproduction in Plants Questions and Answers
The diagram below shows parts of a flower.
Which parts are represented by X,Y and Z?
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1.
Study the diagram of the flower below and answer questions 1. Which part of the flower develops into a fruit after fertilization? A.W. B.X. C.Y. D.Z
2.
The information in the table below is about flowers labeled E,F,G and H. Which one of the following pair of the flowers are insect pollinated? A.E and F B.G and H C.H and F D.E and G
3.
The main difference between fruits and seeds is that fruits A.are edible but seeds are not B.have two scars but seeds have one C.have bright colours but seeds are dull D. are large but seeds are small.
4.
Standard V pupils at Fulani Primary school measured the amount of rainfall for each month of the year and repeated the measuring for several years. They recorded the averages of their measurements in the table as shown below. Which pair of months would be the most appropriate for planting maize around Fulani primary school? A. July and December. B. February and July. C. February and September.
5.
Which one of the following processes in plants is CORRECTLY matched with its meaning?
6.
The diagram below represents the parts of a bean seed. Study the diagram and answer the question that follows. Which one of the following gives the correct functions of the parts labelled K,L and M?
7.
In which one of the following parts of a flower does the pollen tube develop? A. Filament. B. Petal. C. Style. D. Anther.
8.
Which one of the following is NOT necessary for the germination of seeds? A. Warmth. B. Oxygen. C. Moisture. D. Light.
9.
The diagram below represents a flower opened to show inner parts. The part marked X is the A. Stamen B. Filament C. Stigma D. Style.
10.
A section through a maize grain is shown in the diagram below. The part marked P is the A.Radicle B.Hilum C.Cotyledon D.Plumule.
11.
A section through a bean seed is shown in the diagram below. The part labelled Q is the A. Hilum B. Plumule C. Radicle D. Cotyledon.
12.
Which one of the following parts of a flower is correctly matched with its function?
13.
Which parts of a maize grain remain underground after germination? A.Plumule and radicle. B.Cotyledon and plumule. C.Food store and plumule. D. Radicle and food store.
14.
The diagram below represents an insect-pollinated flower cut to show the inner parts. The part of the flower which attracts insects is A.J B.K C.L D.M
15.
Which one of the following characteristics of flowers is found in wind pollinated flowers only? A. Brightly coloured petals. B. Scented nectaries. C. Feathery stigma. D. Large flower parts.
16.
Which one of the following plants is non-flowering? A. Mushroom. B. Grass. C. Cactus. D. Onion.
17.
Which one of the following statements would be true about a young insect-pollinated flower whose style has been cut off? A. Pollen grains would not develop. B. Pollination would occur. C. Ovules would not develop into seeds. D. Anthers will not produce pollen.
18.
Standard five pupils planted seeds in a container. After germination they added water that covered the seedlings. They then placed the container outside the classroom. They noted that the seedlings died after a few days. The main reason why the seedlings died was due to A. Too much light B. Lack of air C. Lack of warmth D. Lack of mineral salts.
19.
Why is it recommended to water seedlings in the mornings and evenings instead of watering them early in the afternoon? A. Seedlings absorb moisture faster in the mornings and evenings. B. There is less moisture loss in the mornings and evenings. C. Seedlings require more water in the mornings and evenings D. Seedlings grow faster when watered in the mornings and evenings.
20.
Which one of the following characteristics of a maize plant DOES NOT help its pollination? A. Smooth and light pollen grains. B. Feathers-like styles. C. Colour of the flower. D. Stigmas which hand out of the flower.
21.
Standard Eight pupils carried out experiments to find out the conditions necessary for germination. They placed the bean seeds in water which had been boiled, covered with oil and cooled to room temperature. The seeds did not germinate because they lacked A. Oxygen B. Light C. Warmth D. Soil.
22.
The table below shows features of four different types of flowers. Which one of the flowers is most likely pollinated by wind? A.P. B.Q. C.R. D.S.
23.
The diagram below represents the external structure of a bean seed. The part labelled X is called A. Hilum B. Plumule C. Micropyle D. Radicle.
24.
Juma wanted to investigate the conditions necessary for seed germination. The set-up is shown in the diagram below. Which pair of the set-up will enable Juma make the conclusion that moisture is necessary for seed germination? A.R and S B.R and T C.S and U D.T and U
25.
Which one of the following structures makes up the female part of a flower? A. Anther, style, ovary. B. Stigma, filament, ovary. C. Anther, filament, ovary D. Stigma, style, ovary.
26.
Which one of the following DOES NOT describe pollination? A. The transfer of pollen grains from the anther to ovary of same flower. B. The transfer of pollen grains from the anther to the stigma of the same flower. C. The transfer of pollen grains from one flower to another flower on the same plant. D. The transfer of pollen grains from one flower to another flower on a different plant of same kin
27.
Which one of the following has ALL the conditions necessary for germination of seeds? A. Soil, air, water. B. Air, warmth, water. C. Warmth, light, soil. D. Water, warmth, light.
28.
The diagram below shows parts of a flower. Which parts are represented by X,Y and Z?
29.
The following characteristics are observed in wind and insect-pollinated flowers: (i)sticky stigma (ii) smooth pollen grains (iii) Sticky pollen grains (iv) Scented (v) large quantity of pollen grains. Which of the characteristics are for insect-pollinated flowers? A.(i), (iii), (iv) B.(i), (ii), (iv) C.(ii), (iv), (v) D.(ii), (iii), (v).
30.
The diagram below represents parts of a flower. The function of the part labelled P is to A. Produce nectar B. Receive pollen grains C. Lead pollen grains to the ovary D. Produce pollen grains.
31.
The diagram below represents parts of a germinating bean seed. The part labelled K A. Serves as first leaves B. Becomes a shoot C. Absorbs water for the young plant D. Gives rise to roots.
32.
Which one of the following sets of characteristics are descriptions of a wind-pollinated flower? A. Fewer large pollen grains, petals sometimes absent. B. Fewer large pollen grains, large loosely attached anthers. C. Small in size, large loosely attached anthers, sticky stigma. D. Small in size, large loosely attached anthers, petals sometimes absent.
33.
Which one of the following plants has separate male and female flowers? A. Sorghum. B. Maize. C. Oranges. D. Sisal.
34.
The tips of thread-like structures found in the maize cob are A. Anthers B. Filaments C. Styles D. Stigmas.
35.
Which one of the following describes cross-pollination? A. The transfer of pollen grains from the anther to the stigma of the same flower. B. The transfer of pollen grains from the anther to the stigma of different flowers on plants of different kinds. C. The transfer of pollen grains from the anther to the stigma of another flower on the same plant. D.The transfer of pollen grains from the anther
36.
Standard five pupils observed a flower with brightly coloured petals in their compound. Which one of the following is likely to be the other characteristics of that flower? A.Feathery stigma and few pollen grains B. Large pollen grains and feathery stigma C.Sticky stigma and few pollen grains D.Light pollen grains and sticky stigma.
37.
Which one of the following is a part of the embryo of a seed? A. Micropyle B. Endosperm. C. Radicle D. Cotyledon.
38.
Flowers P, Q, R and S have the following characteristics: P: large and loosely held anthers Q: Presence of nectar R: Strong scent S:Light pollen grains Which two flowers are wind pollinated? A.P and S. B.Q and R. C.P and R D.Q and S
39.
Which one of the following parts of a flower is NOT CORRECTLY matched with its function?
40.
Fertilization in plants takes place when A. A pollen tube enters the ovule B. Reproductive cells in pollen grain and ovule fuse C.A pollen grain falls on the stigma and germinates D.A pollen tube enters the ovary.
41.
The diagram below shows parts of a flower. Which one of the labelled parts is NOT CORRECTLY matched with its function? A.W: Receives pollen grains B. X: Produces pollen grains C.Y: Develops into a seed after fertilization. D.Z: Protects inner parts of a flower
42.
Which one of the following parts of a maize grain is CORRECTLY matched with its function?
43.
Which one of the following consists of only characteristics of insect-pollinated flowers? A. Sweet scented, large number of pollen grains. B. Brightly coloured petals, sticky pollen grains C. Light pollen grains, sweet scented. D. Brightly coloured petals, light pollen grains.
44.
The embryo of a seed is made up of A. Plumule and testa B. Cotyledon and plumule C. Radicle and plumule D. Cotyledon and radicle
45.
Which one of the following statements about a bean seed is NOT CORRECT? A.The radicle develops into a shoot and plumule into a root. B.The micropyle allows air and water to enter the seed. C.The hilum is a scar where the seed was attached to the fruit wall. D.The radicle emerges from the seed before the plumule during germination.
46.
The following are some characteristics of flowers: (i)Small in size (ii)Scented (iii)Long feathery stigma (iv)Produce fewer and large sticky pollen grains Which one of the following pairs of characteristics is for a wind pollinated flower? A.(i) and (iv) (B) (ii) and (iv) (C) (ii) and (iii) (C) (i) and (iii)
47.
The diagrams below represent a set up used by pupils to investigate conditions necessary for seed germination. Germination occurred in A.Q, S and T B.P and Q C.P,R and T D.R and S.
48.
A flower which has long feathery stigma and loosely held anthers is also likely to A. Have brightly coloured petals B. Have sweet scent C. Produce many pollen grains D. Produce nectar.
49.
The diagram below shows some parts of a flower. The parts representing the stigma and filament are A. K and L B. L and N C. K and M D. N and M.
50.
The following processes are involved in the formation of a zygote in plants (i)Growth of pollen tube (ii) Pollination (iii) Fusion (iv) Pollen tube breaks The correct order of the processes is A.(ii), (i), (iv), (iii). B.(i), (ii), (iv), (iii) C.(ii), (i), (iii), (iv) D.(iv), (i), (iii), (ii).
51.
The picture below shows parts of a flower. The parts labeled P, Q, R and S are
52.
The following are parts of a flower (i)Anther (ii) Style (iii) Ovary. (iv) Stigma. Which Pair of the parts is involved in pollination? A.(i) and (iii) B. (ii) and (iii) C.(iii) and (iv) D.(i) and (iv)
53.
The diagram below shows parts of a flower. Pupils made the following statements about Pupils made the following statements about the parts labelled W, X, Y and Z. (i) W produces nectar. (ii) X produces pollen. (iii) Y transfers pollen (iv) Z allows pollen tube to germinate. Which two statements are correct? A. (i) and (ii). B. (ii) and (iv). C. (iii) and (iv) D. (i) and (iii)
54.
Which one of the following is NOT a condition for germination? A. Soil. B. Oxygen. C. Moisture. D. Warmth.
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