All Free Forestry MCQs with Answers
Every Forestry question in the bank, across all chapters, each with the correct answer and a written explanation. Free and unlimited, with no account needed.
1,681 questions · page 76 of 85
- A. External effects of environment
- B. Internal conditions within the plant itself, i.e. Embryo dormancy or seed coat dormancy
- C. Both (a) & (b)
- D. None of these
Explanation: Dormancy can result from external conditions or internal barriers such as embryo dormancy and an impermeable seed coat.
Correct answer: Both (a) & (b)- A. Mechanical scarification
- B. All of the above
- C. Acid scarification
- D. Socking seeds in water
- E. Cold and hot stratification
Explanation: Seed dormancy may be overcome by scarifying the coat mechanically or with acid, by soaking, or by cold and hot stratification.
Correct answer: All of the above- A. The purpose of mechanical scarification is to modify hard
- B. Or impervious seed coats
- C. Both (a) & (b)
- D. None of these
Explanation: Mechanical scarification abrades, cracks or otherwise modifies hard, impermeable seed coats so that water and oxygen can enter.
Correct answer: Both (a) & (b)- A. The purpose of soaking seeds in water is to modify hard seed coats remove inhibitors
- B. And soften seeds to reduce the time of germination
- C. None of these
- D. Both (a) & (b)
Explanation: Water soaking can soften hard seed coverings, leach some germination inhibitors and allow the seed to imbibe water before sowing.
Correct answer: Both (a) & (b)- A. All of the above
- B. To help after ripening of embryo
- C. Moist stratification is done at temperature varying from 0 - 10
- D. To activate dormant embryo
Explanation: Stratification helps overcome dormancy by activating or completing the after-ripening of the embryo; moist cold stratification is commonly…
Correct answer: All of the above1506. Acid scarification is:
- A. The purpose of acid scarification is to modify hard
- B. Or impermeable seed coverings
- C. Both (a) & (b)
- D. None of these
Explanation: Acid scarification is used to weaken hard or impermeable seed coverings, allowing water and gases to reach the embryo.
Correct answer: Both (a) & (b)- A. Bed nursery
- B. Pot nursery
- C. None of these
- D. Both (a) & (b)
Explanation: The two broad nursery types are bed nurseries, where seedlings are raised in prepared beds, and pot nurseries, where they are raised in…
Correct answer: Both (a) & (b)- A. Preparation of the area
- B. Sowing
- C. All of the above
- D. Transplanting
- E. Weeding, hoeing and irrigation
Explanation: Bed-nursery establishment proceeds through area preparation, sowing, regular weeding, hoeing and irrigation, followed by transplanting…
Correct answer: All of the above1509. Pot nursery is:
- A. Seeds after stratification can be sown directly in polythene tubes
- B. Both (a) & (b)
- C. There are general 18-23 cm long with 5-10 cm diameter when filled with soil.
- D. None of these
Explanation: In a pot nursery, suitably treated seed may be sown directly in polythene tubes, which are commonly about 18–23 cm long and 5–10 cm in…
Correct answer: Both (a) & (b)1510. Chir pine nursery is:
- A. To find out the growth response of chirpine seeds in different soil mixtures, effect of fertilizer, and suitable type of containers
- B. The best season for sowing the seed; and to find out optimum water regime for quick germination and growth
- C. Both (a) & (b)
- D. None of these
Explanation: Chir-pine nursery trials commonly examine soil mixtures, fertilizers, containers, sowing season and watering regimes.
Correct answer: Both (a) & (b)- A. Both (a) & (b)
- B. Where one-year-old plants are produced for panting out. The root-shoot cutting and two cutting from the proximal end of the stem are made from one year old plants
- C. Cutting is made from one-year-old plants. Preferably stem cutting of 20-25 cm length and finger thickness are used
- D. None of these
Explanation: Hybrid and deltoid poplars are propagated from one-year-old material, commonly using finger-thick cuttings about 20–25 cm long and…
Correct answer: Both (a) & (b)1512. Weeding means:
- A. A tending operation done seedling crop involving
- B. Both (a) & (b)
- C. The "removal or cutting back of any sort of weed growth, even woody, i.e. Interfering in growth of plant".
- D. None of these
Explanation: Weeding is a tending operation that removes or cuts back competing weed growth, including woody weeds, so crop plants can grow without…
Correct answer: Both (a) & (b)1513. Thinning define as:
- A. Felling made in an immature stand for the purpose of improving the growth
- B. Form of the trees that remain, without permanently breaking the canopy
- C. Both (a) & (b)
- D. None of these
Explanation: Thinning means selectively felling trees in an immature stand to improve the growth of the trees retained.
Correct answer: Both (a) & (b)- A. All of the above
- B. Selection of site
- C. Selection of tree species
- D. Cold storage
- E. Nursery raising
Explanation: Forest establishment and regeneration involve raising nursery stock, selecting a suitable site and choosing appropriate tree species.
Correct answer: All of the above- A. Both (a) & (b)
- B. It is adaptable to the site, priority may be given to indigenous trees shrubs
- C. It is acceptable and meets the demand of the local people
- D. None of these
Explanation: A timber-producing species or crop should satisfy local demand while also being suited to the site; indigenous trees and shrubs may…
Correct answer: Both (a) & (b)- A. As operations carried-out for the benefit of a forest crop
- B. All of the above
- C. It covers operations on crop itself
- D. Any stage of its life between seedling and mature stage
Explanation: Tending means caring for a forest crop through its development from the seedling stage toward maturity, with the operations performed…
Correct answer: All of the above- A. Labour arrangements
- B. The raising and management of irrigated plantations is a highly specialized operation requiring regular trained labour
- C. Both (a) & (b)
- D. None of these
Explanation: Irrigated plantation work requires an organized labour supply because planting, watering, weeding and maintenance must be performed…
Correct answer: Both (a) & (b)- A. It is not compulsory that within a local climatic area only a particular tree grows wel
- B. We know that southern aspects are hotter than northern aspects
- C. Both (a) & (b)
- D. None of these
Explanation: Climate affects which species grow successfully, but it does not impose an absolute rule that only one tree species can grow in a climatic…
Correct answer: Both (a) & (b)- A. Both (a) & (b)
- B. It has been seen that in spite of high early success there is failure later on
- C. If soil is properly worked and weeding is carried out then any local spp can be planted nan area
- D. None of these
Explanation: Good soil preparation and weeding can improve establishment, yet early success may still be followed by later failure if moisture, soil or…
Correct answer: Both (a) & (b)- A. Ecolosocial consideration
- B. Purpose of plantation
- C. Effect on site
- D. Relative costs
- E. All of the above
Explanation: Choosing species for planting requires ecological and social suitability, the plantation objective, likely effects on the site, and…
Correct answer: All of the above