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Plant Kingdom - Part 1
1
of
25
💡
Hints:
3
Q1. The smallest living cell is that of a.
A. Bacterium
B. Bread mold
C. Mycoplasm
D. Virus
Q2. What are the sites of bacteria in leguminous plants for fixing nitrogen?
A. Leaves
B. Root nodules
C. Root hairs
D. Stem
Q3. The germination of bean seed is said to be epigeal germination because.
A. The leaves are born outside the soil
B. The roots do not come out of the soil
C. With cotyledons are brought out of the soil
D. The roots come out of the soil
Q4. Hypogeal germination is found in.
A. Castor
B. Onion
C. Bean
D. Bengal gram
Q5. Dichotomous branching refers to the branching of a plant into.
A. Four
B. Three
C. Two
D. Many branches
Q6. Litmus is obtained from.
A. An alga
B. A bacterium
C. A fungus
D. Lichen
Q7. Fruits infested with larvae of pests,imported from abroad are more dangerous in Pakistan than in the country of their origin since.
A. They will cause afforestation
B. They cannot be eliminated in Pakistan
C. Natural predators with prey on them are not available in Pakistan
D. They are likely to transmit exotic diseases to the crops in Pakistan
Q8. Radish is a.
A. Bulb
B. Corm
C. Modified root
D. Tuber
Q9. A spore is.
A. A commonly used medicine for cultivating bacteria
B. A common seaweed found in tropical regions
C. A reproductive unit of plants, protozoa and bacterias
D. A pore in the human skin
Q10. Pollination means.
A. Development of pollen grains in f lowering plants
B. Germination of pollen grains on the stigma
C. Transfer of pollen grains from the stigma of one flower to another flower by wind water insects or some other agency
D. Transfer of pollen grains from the anther to the stigma of the same/dif ferent plant
Q11. Which one of the following bears the smallest seeds?
A. Grasses
B. Legumes
C. Orchids
D. Sedges
Q12. Which one of the following is not a fruit?
A. Coconut
B. Chilgoza
C. Mango
D. Wheat grain
Q13. Some plants flower only once in their lifetime. They are called.
A. Monocarpic
B. Monogamous
C. Monogenic
D. Monomorphic
Q14. Smallest flowering plant is.
A. Raffesia
B. Polyalthia
C. Wolffia
D. Chlaymydomonas
Q15. The red rust of tea is caused by.
A. A bacterium
B. Fungus
C. Green alga
D. Virus
Q16. A true fruit develops from the.
A. Anther
B. Carpel
C. Ovary
D. Ovule
Q17. The horizontal underground stem of the Curcuma plant is called.
A. Rhizome
B. Corm
C. Bulb
D. Runner
Q18. The materialistic tissues are composed of.
A. Mature cells
B. Immature cells
C. Permanent cells
D. None of these
Q19. The male part of a flower is called.
A. Androecium
B. Calyx
C. Thalamus
D. Gynoecium
Q20. It has been demonstrated that even mature plant cells,when freed from others,are able to develop into new plants. This phenomenon is called.
A. Apogamy
B. Parthenogenesis
C. Somatogenesis
D. Totipotency
Q21. Double fertilization is a special feature of.
A. Angiosperms
B. Ferns
C. Gymnosperms
D. Mosses
Q22. A grain of wheat is.
A. Embryo
B. Seed
C. Fruit
D. Seed and fruit
Q23. The pollen grains in plants are produced in plants are produced in the.
A. Anther
B. Carpel
C. Ovary
D. Ovule
Q24. Plantain is.
A. Atree
B. An annual herb
C. A perennial herb
D. A shrub
Q25. Tomato brinjal,potato, tobacco,petunia and night jasmine belong to.
A. The same plant family
B. Two plant families
C. Three plant families
D. Five plant families
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