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Plant Kingdom - Part 3
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25
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Hints:
3
Q1. When male and female flowers are borne on different plants ,the plant is said to be.
A. Bisexual
B. Dioecious
C. Dichlamydeous
D. Monoceious
Q2. Sclerenchymatous sheath is present in vascular bundles of.
A. Dicot stem
B. Moncot stem
C. Dicot root
D. Monocot root
Q3. Red tides have often visited West Coast of Florida resulting in the death of hundreds of million of fish Such tides are caused by.
A. Red algae
B. Red dinoflagellates
C. Red-coloured industrial effluents
D. Red-coloured pigment of bluegreen algae
Q4. In dicot root.
A. Vascular bundles are scattered and are with cambium
B. Xylem is always enlarged
C. Xylem and phloem are radially arranged
D. Vascular bundles are arranged in a ring and have cambium
Q5. The stem of water plants usually have.
A. A water developed aerenchyma
B. A well developed stomatal system
C. A well developed vascular system
D. A well developed root system
Q6. Sulphur shower is.
A. Discharge of large quantities of Crous (yellow kesar) pollen grains into the air
B. Discharge of large quantities of Pinus pollen grains into the air forming yellowish clouds.
C. Release of a large amount of sulphur particles into the air from factories processing sulphur
D. Release of a large amount of sulphur particles into the air near sulphur mines
Q7. Coleo is the covering of.
A. Dicot plumule
B. Monocot plumule
C. Dicot radicle
D. Monocot radicle
Q8. Which one of the following tissues in plants is responsible for forming vari ous other types of calls?
A. Fundamental
B. Protective tissues
C. Meristematic tissues
D. Conducting tissues
Q9. Taxonomy is a science dealing with the.
A. Classification of all living organisms
B. Classification of plants
C. Identification nomenclature and classification of all living organisms
D. Structure and function of living organisms
Q10. Wheat,barley lemon, orange rye and pearl millet belong to.
A. Two plant families
B. Three plant families
C. Four plant families
D. The same plant family
Q11. The calyptrogen of root apex forms.
A. Root hair
B. Root nodule
C. Root cap
D. Rhizoids
Q12. Lichen is a symbiotic association between an alga and which one of the following?
A. A bacterium
B. Fungus
C. Liverwort
D. Fern
Q13. Which of the following spices is obtained from roots?
A. Cinnamon
B. Clove
C. Turmeric
D. None of the above
Q14. Tunica corpus theory explains the organization of.
A. Root apex
B. Shoot apex
C. Floral organs
D. None of these
Q15. The first leaves of the castor seedling are different from other leaves because.
A. They are only the cotyledons
B. They do not perform the activities of leaves
C. They are not homologous with leaves
D. They are differently shaped
Q16. Polyploid wheat does not normally show an increase in.
A. Size
B. Vigour
C. Length of life cycle
D. Resistance to disease
Q17. A liverwort is.
A. An animal parasite infecting the liver
B. A land plant without differentiating into root, stem,and leaves
C. A kind of bacterium infecting the liver
D. Aplant with its flowers shaped like the human liver
Q18. From which part of the plant is turmeric, a commonly used colourant and antiseptic obtained?
A. Root
B. Stem
C. Fruit
D. Flower
Q19. Grafting is not possible in monocots because.
A. Monocots lack cambium
B. Monocots have scattered vascular bundles
C. Monocots have parallel venation
D. Monocots are herbaceous
Q20. Which one of the following is a true fruit?
A. Apple
B. Cashewnut
C. Pineapple
D. Coconut
Q21. Dead wood is obtained from.
A. Pteridophytes
B. Gymnosperms
C. Angiosperms
D. Bryophytes
Q22. The association between leguminous plants and bacteria is.
A. Parasitic
B. Saprophytic
C. Symbiotic
D. None of the above
Q23. The branch of botany that deals with fungi is known as.
A. Mycology
B. Phycology
C. Embryology
D. Microbiology
Q24. A plant or plant organ/cell having half the number of chromosomes than a normal body cell is called.
A. Aneuploid
B. Haploid
C. Haplont
D. Monosomic
Q25. Angiosperms are less adapted to.
A. Desert condition
B. Fresh water
C. Marine water
D. Swamps
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