401. The terminal part of the pedicel bearing the sepals, petals, stamens and carpals is called
- Pedicel
- Inflorescence
- Thalamus
- None of these
402. Peduncle is a main axis of the
- leaf
- Flower
- Inflorescence
- Bud
403. An inflorescence in which the pedicels of the flowers arises from the same points as called
- Umbel
- Spike
- Catkin
- Uninate
404. A group of flowers on an axis is called
- Solitary axillary flower
- Solitary terminal flower
- Inflorescence
- Modified flower
405. The nutritive tissue around the embryo in seed is
- Endosmosis
- Endodermis
- Endosperm
- Embryo-sac
406. Bracts situated outside the calyx in certain flowers are called
- Epicalyx
- Epibasal
- Epicarp
- Epidermis
407. The germination of seed in which cotyledons come above ground is
- Epigeal
- Hypogeal
- Epigynous
- Epipetalous
408. A sexual cell in plants is called
- Gamete
- Gametophyte
- Gamopetalous
- Gamosepalous
409. A flower which has all the usual parts sepals, petals, stamens and carpel is called
- hermaphrodite
- Complete
- Pistilate
- Incomplete
410. The situation in which a plant grows wild is called
- Habitat
- Halophytes
- Helicoids
- Haustoriums
411. Proteins are most complex organic compounds, containing
- Carbon
- Hydrogen
- oxygen and nitrogen
- All of these
412. Pine apple is a source of
- Vitamin C
- Vitamin A
- Vitamin B
- All of these
413. Papaya is still being commercially propagated from
- Cutting
- Suckers
- Seeds
- Grafting
414. For good pollination in papaya orchard it is necessary that male plants should be
- 5-10%
- 40-45%
- 50-55%
- 70-75%
415: Silver Oak belongs to family:
- Rosaceae
- Palmae
- Oleaceae
- Proteaceae
416: Pollination in tomatoes under tunnel production is carried out by:
- Honey bees
- Bumble bees
- House flies
- Vibration
417: Dwarfing rootstock for apple in heavy soils is:
- M-7
- M-9
- M-11
- Crab apple
418: Rate of ethylene production in citrus is comparatively_______ than in mango.
- Higher
- Lower
- Equal
- Unknown
419: Lemons are usually degreened at:
- 6oC
420: Postharvest fungicidal treatment of mango fruit is done with:
- Thiobendazole (TBZ)
- Ethylene Dibromide (EDB)
- Above both
- None of above
421: _____ variety of apple is reported to perform well at lower altitudes.
- Enna
- Amri
- Diana
- Golden Delicious
422: Dhaki variety of date palm was originated in:
- Sindh
- NWFP
- Balochistan
- Punjab
423: Which of the following vegetable crop is a relative of cotton:
- Onion
- Okra
- Mustard
- Brinjal
424: In pineapple sweet orange, fruit drop in month of June is upto:
- 66%
- 76%
- 86%
- 96%
425: Hodgson divided genus citrus into:
- 16 species
- 26 species
- 36 species
- More than 36 species
426: In Pakistan, yield of potato range between:
- 10-15 ton
- 15-20 ton
- 20-25 tonnes
- 25-30 ton
427: Motia (ornamental) belongs to family:
- Oleacecae
- Moraceae
- Rosaceae
- Nyctaginaceae
428: Rubber plant (ornamental) belongs to family:
- Oleacecae
- Moraceae
- Rosaceae
- Nyctaginaceae
429: Bougainvillea (ornamental) belongs to family:
- Oleacecae
- Moraceae
- Rosaceae
- Nyctaginaceae
430: Germination percentage in sour orange rootstock is:
- 50-60%
- 61-70%
- 71-80%
- 81-90%
431: In Kinnow mandarin, fruit drop in month of June is upto:
- 70%
- 75%
- 80%
- 85%
432: Following species of citrus can be propagated through cutting.
- Sweet orange
- Sweet lime
- Kaghzi lime
- Non of above
433: Following species of citrus can be propagated through layering.
- Sweet orange
- Sweet lime
- Kaghzi lime
- None of above
434: In Punjab, most of the fresh vegetable production is carried out:
- Near cities
- Near rivers
- Near canals
- All of above
435: Which of the following crop has high sulfur contents?
- Garlic
- Onion
- Radish
- None
436: During propagation through cuttings, which hormone(s) is/are used for root promotion?
- ABA
- Seradix
- NAA
- All above
437: Araucaria was originated from:
- South Pacific
- South Asia
- Far East
- Middle East
438: Rubber plant can be propagated through:
- Aerial layering
- Cutting
- All above
- None of above
439: Silver Oak produces seeds after age of:
- 1 year
- 5 years
- 10 years
- 15 years
440: Which of the following plants are used for the extraction of scent?
- Rose
- Murva
- Citrus
- All of above
441: The first ever auxin discovered was:
- IBA
- IPA
- IAA
- None of above
442: Mowing of grasses in winter is recommended after:
- 20-30 days
- 30-40 days
- 40-50 days
443: Major types of greenhouse are
- Even span
- Lean to
- Odd span
- Both a & b
444: At the time of transplanting, weight of date palm sucker should be:
- 5-10 kg
- 10-20 kg
- 20-30 kg
- Less than 5 kg
445: Following plant(s) is/are propagated through seed.
- Murva
- Bottle palm
- None of above
- All above
446: Citrus seeds can be stored with Charcoal at following temperature in dry conditions.
- 0-3C
447: Seed germination percentage of rough lemon is:
- 50-60%
- 60-70%
- 70-80%
- 80-90%
448: Most serious insect/pest(s) of apple is/are:
- Codling moth
- Fruit fly
- All above
- None of above
449: Postharvest fumigation of citrus used to be done with:
- Thiobendazole (TBZ)
- Ethylene Dibromide (EDB)
- Above both
- None of above
450: Soil compaction __________ yield of potato.
- Increases
- Decreases
- Does not effect
- Unknown