1501. Single celled plants are called__________________?
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A. Prokaryotes

B. Protozoa

C. Protophyta

D. B. Protest

1502. What is 2,4-D____________________?
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A. 2-4 diclorophenoxy acetic acid

B. 2-4 napthalene acetic acid

C. IAA

D. All the above

1505. Plants which shed their leaves during winter are ___________________?
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A. Processing

B. Vegetable forcing

C. Grading

D. Packing

1506. All the individuals derived by vegetative propagation from a single individual is known as___________________?
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A. Affects more than one character

B. Affects more than five characters

C. Affects more than ten characters

D. Affects only one character

1508. The first organisms to appear on the earth were more like plants than animals because__________________?
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A. There are more plants than animals

B. Plants can manufacture their own food material

C. Plants are similar in structure

D. None of the above

1509. Cosmos, chrysanthemum, poinsettia are the examples of _________________?
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A. Long night plants

B. Short night plants

C. Long day plants

D. Short day plants
1514. Whisky is distilled from__________________?
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A. Legume fruits

B. Fermented mash of malted or unmalted cereals and potatoes

C. Raw grains

D. Fermented juices of fruits

1516. Selenium unigram is used as__________________?
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A. Cardio vascular stimulant

B. In lowering blood pressure

C. In breaking down of cholesterol

D. All the above
1517. In populations genotypic and phenotypic ratios are identical in cases of___________________?
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A. None of the above

B. Mendel lan monohybrid

C. Mendelian dihybrid

D. Incomplete dominance
1520. The protoplasm is________________?
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A. Semi-solid

B. Colloidal solution

C. Solution

D. Crysto colloidal solution
1521. The carrier of genetic information is __________________?
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A. Carbohydrates

B. Protein

C. Ribosome

D. Nucleic acid
1522. Plants can be made disease resistant by___________________?
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A. Hormone spray

B. Colchicines treatment

C. Breeding with the wild variety

D. Heat treatment

1523. The union of the second male gametes with polar nuclei is called_______________?
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A. Fertilization

B. Double fertilization

C. Both a & b

D. non of these

1524. Who discovered mitochondria__________________?
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A. Palade

B. Cowdry

C. Garner

D. Altmann
1525. A process off converting light energy into useful chemical energy_________________?
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A. Transpiration

B. Photosynthesis

C. Photoperiodism

D. Conversion

1526. Cucumber, Kidney bean, pea and tomato are the example of _______________________?
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A. Long day and Long night plants

B. Day natural plants

C. Long night plants

D. Long day plants

1531. Linked gene may be separated by the process of_________________?
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A. Evolution may be described as

B. History of development of larger biological units

C. Discontinuous genetic variation

D. Inheritance of acquired characters
1532. Strawberry belongs to what type of fruit ?
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A. Aril

B. Etario of achenes

C. Berry

D. Pome

1534. Tomato is good source of vitamin___________________?
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A. Vitamin B

B. Vitamin A

C. All the above

D. Vitamin C

1538. Crossed between mandarin and grape fruit make________________________?
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A. Citrange

B. Tangelos

C. Limequate

D. None of the above

1539. which of the following probably occur when a diploid cell undergoes normal meiotic division________________?
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A. All homologous chromosome pairs will separate

B. All dominant genes will segregate together into daughter cells

C. All daughter cells will have different homologous chromosome pairs

D. All linkage group will be disrupted

1540. Sweet potato is___________________?
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A. Fruit

B. Rhizome

C. Root

D. Tuber

1545. Photosynthesis takes place in_____________________?
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A. none

B. Only leaves

C. All green parts of plants

D. Only flowers and fruits

1547. Which feature is not found in all living beings____________________?
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A. Some triplet code for amino acids

B. Energy storage in high high energy phosphate bonds

C. Types of protein occurring in the body

D. Protein synthesis in ribosomes

1548. Some use of cytokinins in horticulture are________________?
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A. Accelerating bud growth

B. To stimulate shoot development

C. Delaying senescence

D. All the above
1550. An exce4ption of Mendels law is______________________?
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A. Purity of gametes

B. Dominance

C. Liukage

D. Independent assortment