1401. The production of vegetables for distant market is called___________________?
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A. Train farming

B. Distant farming

C. Truck farming

D. Intensive farming

1402. The portion of the axis below the cotyledons is known as___________________?
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A. Micropyle

B. None of the above

C. Hypocotyle

D. Epictyl

1403. The enzymes and pigments associated with photosynthesis are located in ___________________?
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A. Chloroplast

B. Protoplast

C. Plastid

D. Leucoplast

1404. Winter beats are grown in___________________?
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A. Canada

B. India

C. Iran

D. Mexico

1405. A woody plant with a climbing growth habit is called_____________________?
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A. Stem

B. Shoot

C. Vine

D. Liana

1406. The transfer of pollen grains from anthers to the stigma by any pollinating agent is called______________?
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A. Breeding

B. Crossing

C. Pollination

D. Allogamy

1407. The optimum temperature for warm season crop is ___________________?
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A. 20-25C

B. 18-24C

C. 10-20C

D. 25-35C
1408. Loss of sensation and heart enlargement are caused due to deficiency of__________________?
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A. Vitamin C

B. Vitamin B

C. Vitamin E

D. Vitamin A

1409. How many mitouc divisions will take place to produce 512 cells from a single parent cell_________________?
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A. 158

B. 256

C. 9

D. 511
1410. The slow process by which new types of organisms arise from existing forms by genetics variation is called_______________________?
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A. Evolution

B. Genetics

C. Polyploidy

D. Mutation

1411. How many type of DNA are_________________?
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A. 4

B. 6

C. 3

D. 2

1412. Removing of certain shoots, cones, spurs from the base of plant is called_________________?
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A. Pruning

B. Heading back

C. Training

D. Thinning out
1413. Air layering is also known as_________________?
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A. Ghooti

B. All the above

C. Cross match

D. Marcpottage

1414. Organisms that can synthesize all their substances from simple inorganic molecules are termed as____________________?
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A. Heterotrophic

B. Audacious

C. Phototrophic

D. Autotrophic
1415. Bunchy top disease of banana is___________________?
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A. Nematode disease

B. Bacterial disease

C. Viral disease

D. Fungal disease

1416. The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called________________?
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A. Genetic drift

B. None of the above

C. Gene frequency

D. Gene flow

1417. What type of pollination is observed in okra_________________?
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A. Cross pollination

B. Partually self pollination

C. Partially cross pollination

D. Both A & B
1418. Optimum temperature, minimum temperature and maximum temperature are collectively called_________________?
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A. All the above

B. Absolute temperature

C. Cardinal temperature

D. Various temperature

1419. A polyploidy species with genomes derived from the same original species is an_________________?
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A. Amphidiploids

B. Annapolis

C. Autopolyploid

D. Allopolyploidy

1420. Number of lindage groups of chromosomes____________________?
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A. None of the above

B. Tetraploid number of chromosomes

C. Diploid number of chromosomes

D. Haploid number of chromosomes
1421. Apple apricot, plum, date, olive and peaches are rich in________________________?
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A. Carbohydrates

B. Minerals

C. All the above

D. Protein

1422. If two opposite alleles come together, and one of the two finds expression and mask the other in he body this facts is explained as_________________?
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A. Law of inheritance

B. Law of limiting factors

C. Law of dominance

D. Law of segregation

1423. Plastids bring about___________________?
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A. Conversion of light energy into chemical energy

B. Excretion

C. Secretion

D. Respiration

1424. Planting distance of Falsa is___________________?
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A. 2.0m

B. 3.0m

C. 3.5m

D. 2.5m
1425. If the offspring of F, (blue) is crossed with white male parent the result will be______________________?
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A. All blue

B. Half blue and half white

C. All black

D. All white

1426. Sugar present in DNA is_______________?
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A. Pentose

B. Hexose

C. Triose

D. Heptose

1427. One of the following is not a technique in hybridization_________________?
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A. Inter over crossing

B. Intraspecific crossing

C. Bagging

D. Inosculation
1428. Cells intercommunicates with neighbouring cells by_________________?
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A. Trachieds

B. Plasmedesmata

C. Plasmalema

D. Nessels

1429. Which layout is the most suitable for the uneven lands and sub mountain areas _____________________?
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A. Rectangular system

B. Hexagonal system

C. Contour system

D. Triangular system

1430. Mango are planted in which of the following layout system____________________?
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A. Quincunx system

B. Square system

C. Contour system

D. Hexagonal system

1431. The diameter of mitochondria is __________________?
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A. 2-4 micron

B. 40-70 micron

C. 0.5-2 micron

D. 1-4 micron

1432. Transfer of pollen grains of a flower to the stigma of the same the flowers of the same plant is called__________________?
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A. Polygamy

B. Homogamy

C. Autogamy

D. None of the above

1433. Carrot, Radish, Turnip, Cabbage and beet are the____________________?
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A. Woody perianials

B. Perenials

C. Annuals

D. Biennials

1434. Main factors affecting production and quantity of citrus is___________________?
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A. All the above

B. Temperature

C. Humidity

D. Rainfall

1435. When two genes are situated very close together in a chromosome_____________________?
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A. Hardly any cross over are detected

B. No crossing ever can ever takes place between them

C. Only double cross over can take place between them

D. The percentage of crossing over between them is very

1436. Citrus root stock seeding are ready for budding after_____________________?
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A. 02 months

B. 01 months

C. 9 months

D. 6 months

1437. Gene for gene hypothesis was proposed by__________________?
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A. Flor (1956)

B. Vander plank (1963)

C. Nelson (1973)

D. Robinson (1971)

1438. A species or type of a plant derived from doubling the chromosome of the F1 hybrid of two known species is known as__________________?
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A. Hexaploid

B. Autopolyploid

C. Amphidiploid

D. Autodiploid

1439. Three important law of heredity proposed by Mendel relate to___________________?
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A. Segregation, independent assortment and gene linkage

B. Gene linkage, dominance and segregation

C. Segregation, independent assortment and dominance recessive ness

D. Gene linkage, character se gregation and independent assortment

1440. One of the persons whose evolutionary ideas were close to that of Laraarcd was____________________?
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A. Vavilow

B. Lysendo

C. Weismann

D. H be vnes

1441. The problem of granulation has been found in____________________?
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A. Citrus

B. Guava

C. Date

D. Mango

1442. A flower having many pistils on same receptacle develop____________________?
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A. All the above

B. Multiple fruit

C. Aggregate fruit

D. Stone fruit

1443. Which one of the following does not contain RNA_______________?
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A. Nuclcolus

B. Chromosome

C. Ribosomes

D. Plasmalemma
1444. Plant growth regulator found in terminal and lateral buds is___________________?
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A. Gibberellins

B. Auxins

C. Abscisic acid

D. All the above

1445. The first attempt to show linkage in plants were done in____________________?
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A. Another Lamarckian

B. Zeal Mays

C. Lathers odorous

D. Possum sativa

1446. Suppose that out of 1000 offsprings in the generation of a dithered cross, 748 are tall and hairy, 6 are tall and smooth, 4 are short and hairy and 242 are short and smooth. what is the explanation for this kind of ratio ?
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A. Linkage and crossing over

B. Presence of lethal genes

C. Presence of multiple alleles

D. Sex-linkage

1447. Which of the leafy vegetables has high cellulose and add bulk to food___________________?
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A. Cabbage

B. All the above

C. Lettuce

D. Celery

1448. Plant hormones present in the apices of shoots and leaf primordials are __________________?
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A. Ethylene

B. Cytokinins

C. Gibberellins

D. Auxins

1449. Which types of fruits are known at higher altitude in KP, Balochistan and Murree hills_________________?
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A. Pomes

B. Aggregate fruit

C. None of the above

D. Barries

1450. Which one of the following plants prevent soil erosion and reclaim water logged soils____________________?
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A. Ber

B. Guava

C. All the above

D. Pome granate