Botany MCQs For Central Warehouse Exam & FCI (1)

Botany MCQs For Central Warehouse Corporation & FCI Exam

Botany MCQs (1)

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1) Which one of the following given below serves as an important biofertilizer?

1. Cyanobacteria
2. Mycorrhiza
3. Free living bacteria
4. Green manure

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2) After fertilization ovules develop into?

1. Seed
2. Fruit
3. Pedicel
4. Thalamus

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3) Which is the site of aerobic respiration in a cell?

1. Golgi body
2. Ribosome
3. Endoplasmic reticulum
4. Mitochondria

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4) In this plant, the site of origin of new plant is node?

1. Potato tuber
2. Onion bulb
3. Rhizome ginger
4. All the above

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5) Which type of enzyme is involved in excision repair?

1. Telomerase
2. Photolyase
3. DNA polymerase III
4. Endonuclease

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6) Banana and ginger are vegetative propagated by?

1. Tubers
2. Rhizomes
3. Bulbs
4. Suckers

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7) Through plant breeding techniques a viral free plantlets can be produced by?

1. Pollen culture
2. Cotyledon culture
3. Embryo culture
4. Meristem culture

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8) A molecule of DNA or RNA is a polymer of?

1. Monosaccharides
2. Nucleotides
3. Amino acids
4. Faty acids

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9) Somaclonal variation can be obtained by?

1. application of colchicines
2. hybridization
3. irradiation with gamma rays
4. Tissue culture

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10) An infectious RNA without a capsid or envelope is called?

1. Prion
2. Bacteriophage
3. Viroid
4. Virus

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11) Syngenesious anthers and epipetalous stamens are found in the family?

1. Liliaceae
2. Malvaceae
3. Compositae
4. Solanaceae

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12) Transfer of pollen grains from the anther to the stigma of a flower is known as?

1. Pollination
2. Fertilization
3. Diffusion
4. Adoption

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13) Which type of plants are not differentiated into roots, stem and leaves?

1. Spermatophytes
2. Gymnosperms
3. Pteridophytes
4. Thallophytes

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14) Other than the egg an embryo may sometimes develop from a cell of an embryo sac is?

1. Apospory
2. Parthenocarpy
3. Parthenogenesis
4. Apogamy

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15) Embryosac is present inside the?

1. Stigma
2. Style
3. Micropyle
4. Ovule

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16) Deficiency of which minerals cause chlorosis in plants?

1. Nitrogen
2. Iron
3. Calcium
4. Potassium

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17) Which one of the following is a photosynthetic protist?

1. Slime mold
2. Paramoecium
3. Euglena
4. Amoeba

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18) Which of the following organelle is called as the “suicidal bags of the cell”?

1. Lysosomes and Golgi
2. Lysosomes and mitochondria
3. Lysosomes
4. Lysosomes and Endoplasmic Reticulum

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19) The development of ovary into a fruit without fertilization is called?

1. Parthenocarpy
2. Asexual reproduction
3. Sexual reproduction
4. Apomixis

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20) The final acceptor of electron in the ETC is?

1. Cytochrome b
2. Water
3. Oxygen
4. Hydrogen

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Botany MCQs For Central Warehouse Exam