Alfred Ajibola
- Sat, 29th June, 2019 @ 08:15
Topics in Agricultural Science
Importance of forest: Forest reserves in Nigeria Wildlife reserves in Nigeria and its importance Prevention and Control of Crop Pests Economic Importance of Crop Pests Classification of Insect Pests and their Economic Importance Agricultural Machines and their Uses Soil Erosion: Causes of Soil Erosion Ways to prevent Soil Erosion Asexual Propagation in Plants, Types and Examples Differences between Gymnosperms and Angiosperms Scheme of Work, Agricultural Science, SS1, First Term Scheme of Work, Agricultural Science, SS1, Second Term Scheme of Work, Agricultural Science, SS1, Third Term Len Academy Agric Science exam questions, JSS1, First Term Len Academy Agric Science exam questions, JSS1, First Term, part 2 Definitions and Meanings of Agricutural terms (P - Q) Agricultural Terms: Definition and Meanings of Agricultural Terms (P and Q), part 2 Len Academy questions for Agric Science JSS1, 2nd Term Len Academy questions for Agric Science JSS1, 2nd Term, Part 2 Roles of Government in AgricultureAcademic Questions in Agricultural Science
Cordage is made from _____ crop.
A. Food
B. Fibre
C. Ornamental
D. Oil
E. Cash
F. Vegetables and Spice
_____ is defined as the solid and arable part of the earth where agricultural activities are be carried out.
A. Soil
B. Farmland
C. Agricultural land
D. Biosphere
E. Open land
F. Planting and grazing land
Gymnosperms and angiosperms are seed bearing plants under the division spermatophyta?
A. True
B. False
Which of the following is false concerning gymnosperms?
A. Cones are present
B. Sepals are present
C. Petals are absent
D. Only seeds are produced
E. Sporophyll form the cones
F. In seed formation, the ovules aren't present in the ovary
Which of the following statement is incorrect concerning seeds?
A. The ovary develops into the seed after fertilization
B. The embryo in the seed develops into a young plant
C. The seed's endosperm serve as a source of food reserve for the developing embryo
D. A seed has its own genotype
E. Seeds are products of sexual reproduction
F. Apomictic seeds aren't produced sexually and the hawkseed is an example
The _____ is the reproductive organ in plant's sexual reproduction.
A. Pollen grain
B. Ova
C. Sperm
D. Flower
E. Fruit
F. Seed
In flowering plants, fertilization occurs when the _____ comes into contact with the ova (as genetic materials are eventually exchanged).
A. Sperm
B. Endosperm
C. Exosperm
D. Stigma
E. Ovule
F. Pollen grain
The fusion of sperm and ova in animals leads to the formation of _____.
A. Foetus
B. Embryo
C. Ovary
D. Neonate
E. Zygote
F. Egg
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1. Which of the following is a major form of agriculture?
2. Cash crop includes the following EXCEPT _____.
3. Livestock farming does NOT include _____.
4. The following are finished products from agricultural raw materials EXCEPT _____.
5. A farming that meets the food need of the farmer and his immediate family is said to be _____.
6. Which of the following is NOT a form of agriculture?
7. A root crop does NOT include _____.
8. Which of the following is NOT a vegetable?
9. The following are ornamental plants EXCEPT _____.
10. _____ chew their curds.
11. Products from livestock will NOT include _____.
12. A major importance of bees in agriculture is that _____.
13. The scientific study of fish, shrimps, prawns, crabs and other aquatic animals is known as _____.
14. Heliciculture can also be referred to as _____.
15. _____ crops will complete their life cycle within one year.
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16. The following crops have flowers EXCEPT _____.
17. _____ refers to the natural leaf borne by the seed of a plant.
18. The reproductive part of a plant is the _____.
Please read on Sexual Propagation in Plants for correct answer.
19. The stomata are found in a plant’s _____.
20. The _____ gives a plant stem support.
21. A creeping stem may be also be referred to as _____.
22. Oxygen is given out from the plant mainly through the _____.
Please read on Autotrophic Nutrition in Plants for correct answer.
23. A root that arises from the tap root is the _____ root.
24. Fibrous root is always present in _____.
25. Pollination occurs in the _____.
26. Photosynthesis takes place in the _____.
27. _____ is responsible for the green color in a plant’s leaf.
28. The root stores food in following plants EXCEPT _____.
29. The _____ attaches the leaf to a plant.
30. The _____ attaches the flower to a plant.
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Alfred Ajibola is a Medical Biochemist, a passionate Academician with over 7 years of experience, a Versatile Writer, a Web Developer, a Cisco Certified Network Associate and a Cisco CyberOps Associate.
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Amazing facts in Agricultural Science
Peanuts are legumes and not nuts
Although plants neither see nor hear, they can recognize their siblings and even give them preferential treatments
Squirrels do plant more trees (through their actions) than an average human in their lifetime. They often hide their acorns and nuts underground and forget about them
Cows have got the ability to walk up stairs, but not down stairs
A group of cows is called a team, drove or herd.
People just prefer to call them herd
NOTABLE POINTS IN Agricultural Science
Below are some common types of erosion:
Water Erosion: It is caused by rainfall and flooding on the topsoil. As a result of water erosion, some layers of the topsoil are lost.
Sheet Erosion: When an entire surface of land becomes eroded at a uniform (equal) level, such is referred to as sheet erosion. It is shown below:
Wind Erosion: It results from the actions of wind on a bare land. Wind erosion is often seen in deserts. Overgrazing and lack of vegetation cover will also enhance wind erosion on topsoil.
Soil erosion is defined as a process through which the topsoil is removed or moved from one point to another by agents like wind, water, man and animals.
Soil erosion occurs naturally (wind and water) and may also be facilitated by living organisms.
Soil erosion is more likely to occur on a sloppy land and land with no vegetation cover. When this occurs, the nutrient rich layer of the topsoil is washed away; and this ultimately results in fewer plants growing on such eroded soil.
There are about 630 different kinds of carnivorous plants.
Carnivorous plants are plants that derive some or most of their nutrients by consuming small animals, especially insects.
Carnivorous plants are also referred to as insectivorous plants.
Examples of carnivorous plants include sundew and Venus flytrap.
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