Agricultural Science

Len Academy Agric Science exam questions, JSS1, first term

len Alfred Ajibola - Sat, 29th June, 2019 @ 08:13 PM

Topics in Agricultural Science

Soil formation in agricuture Economic empowerment through agricuture Management as a factor of production in agriculture Labor as a factor of production in agriculture Finance as a factor of production in agriculture Water as a factor of production in agriculture Land as a factor of production in agriculture Len Academy Agricultural Science midterm questions for JSS1, 2nd term Len Academy Agricultural Science midterm questions for jss2, 2nd term Clay soil explained with its types and characteristics Loamy soil explained with its characteristics Sandy soil: Characteristics of sandy soil and ways to make it fertile Soil explained with its composition Types of agricultural practices Crop rotation explained Benefits of crop rotation Differences between subsistence and commercial farming Subsistence farming explained with its characteristics What is commercial farming? Types of commercial farming Characteristics of commercial farming


Academic Questions in Agricultural Science

Please click here to see all Questions and Answers

The ideal pH for the optimum growth of most agricultural crop is between _____.

  • A. 1 – 3.5

  • B. 4 – 5.5

  • C. 6 – 7.5

  • D. 8 – 9.5

  • E. 10 – 11.5

  • F. 12 – 13.5

People who go about their lives by raising and herding livestock such as cattle, sheep and goats are said to practice _____.

  • A. Pastoralism

  • B. Pasturalism

  • C. Herding

  • D. Herdsmen

  • E. Animalism

  • F. Anime Farming

The act of giving birth in pigs is called _____.

  • A. Calving

  • B. Piggery

  • C. Kidding

  • D. Farrowing

  • E. Calfing

  • F. Pigging

Which of the following is not a vegetable?

  • A. Cashew

  • B. Cocumber

  • C. Tomatoes

  • D. Carrot

  • E. Squash

  • F. Eggplant

All plants are crops.

  • A. True

  • B. False

In agriculture, macronutrients are essential nutrients required by plants. Which of the following is not a macronutrient?

  • A. Zinc

  • B. Sulphur

  • C. Calcium

  • D. Phosphorus

  • E. Potassium

  • F. Magnesium

Which of the following is false concerning micronutrients?

  • A. They are non-essential nutrients

  • B. They are required by plants in minute quantities

  • C. Iron is a micronutrient

  • D. Chlorine is a micronutrient

  • E. Copper is a micronutrient

  • F. Boron is a micronutrient

_____ is a term that describes the biological, chemical and cultural control tactics employed to make pest management economical, environmentally friendly and socially acceptable.

  • A. Integrated Pest Management

  • B. Integral Pest Management

  • C. International Pest Management

  • D. Inclusive Pest Management

  • E. Imbibed Pest Management

  • F. Inclusion Pest Management



Agric Science questions, JSS1, 1st Term:

Please read questions 1 - 30 here.

31. Photosynthesis produces food in the form of _____.

  1. sugars

  2. proteins

  3. seeds

  4. fruits

  5. Please read on photosynthesis for correct answer.

 

32. Which of the following is NOT a function of the leaf veins?

  1. Supports the leaf

  2. Makes the leaf green

  3. Contains vessels that transport food

  4. Contain vessels that transports water

 

33. The loss of water from the plant’s leaf is known as _____.

  1. excretion

  2. transpiration

  3. precipitation

  4. run off

 

34. Swollen structures seen at the axis of leaves and stem is termed _____.

  1. cud

  2. curd

  3. bud

  4. burd

 

35. Carpel, Stamen and Receptacle are all associated with the _____.

  1. leaf

  2. stem

  3. root

  4. flowers

  5. Please read on sexual propagation in plants for correct answer.

 

36. Decayed organic matter adds _____ to the soil.

  1. oxygen

  2. clay

  3. minerals

  4. vitamins and water

 

37. The part of a plant below the soil forms the _____ system.

  1. shoot

  2. tap

  3. root

  4. fibrous

 

38. The stem is an organ of vegetative propagation in _____.

  1. yam

  2. cassava

  3. rice

  4. cashew

  5. Please read on asexual propagation in plants for correct answer.

 

39. All farm animals are _____.

  1. ruminants

  2. non ruminants

  3. domestic

  4. poultry

 

40. Donkey may be regarded as a _____ animal.

  1. pet

  2. dairy

  3. guard

  4. work

  5. Please read on this article for correct answer.

 

41. Dairy animals are kept for the purpose of their _____.

  1. red meat

  2. white meat

  3. milk

  4. eggs

 

42. Which of the following is NOT present is a domestic fowl?

  1. Scales

  2. Feathers

  3. Beak

  4. Fur

 

43. Omnivorous animals eat _____

  1. plant

  2. flesh

  3. plant and flesh

  4. eggs

 

44. The following crops are legumes except _____.

  1. cowpea

  2. soyabean

  3. groundnut

  4. sorghum

  5. Please read on Plants versus Crops for correct answer.

 

45. The milky sap obtained from rubber tree is known as _____.

  1. latex

  2. gum

  3. kapok

  4. fibres

Please read on what students are expected to Know here.


46. The meat derived from a snail is rich in _____.

  1. fats

  2. oil

  3. carbohydrates

  4. proteins

 

47. _____ gives a flower its bright color.

  1. Sepal

  2. Petal

  3. Stamen

  4. Carpel

 

48. The _____ houses the egg in a female flower.

  1. stigma

  2. style

  3. ovule

  4. thalamus

 

49. The stamen of a flower is comprised of _____ and _____.

  1. carpel and pistil

  2. anther and filament

  3. ovule and ovary

  4. stigma and style

 

50. Which of the following plants will fertilization NOT occur?

  1. Orange

  2. Cassava

  3. Bean

  4. Guava

 

51. Hens incubate their eggs to _____.

  1. keep them warm

  2. keep them cool

  3. keep them company

  4. feed them

 

52. _____ animals depend only on plants for food.

  1. Omnivorous

  2. Carnivorous

  3. Herbivorous

  4. Cannibalistic

 

53. Which of the following is a poikilothermic animal?

  1. Tilapia

  2. Dog

  3. Horse

  4. Hen

  5. Please read on this article for a clue to the correct answer.

 

54. All the followings are products of Agriculture except _____.

  1. cloth

  2. leather chair

  3. fan

  4. ropes

 

55. The thin outer covering of a seed is known as _____.

  1. testa

  2. micropyle

  3. ovule

  4. generative nucleus

 

56. A root that provides an additional support to the stem is the _____ root.

  1. lateral

  2. adventitious

  3. fibrous

  4. tap

 

57. Gases enter and leave the plant through the _____.

  1. pores

  2. stomata

  3. guard cells

  4. lenticels

 

58. The base of a flower is called the _____.

  1. pedicel

  2. flower stalk

  3. receptacle

  4. thalamus

 

59. When pollen grains are transferred from the anther to the stigma, it is termed _____.

  1. reproduction

  2. fertilization

  3. pollination

  4. metamorphosis

 

60. Which of the following animal is NOT homiothermic?

  1. Peacock

  2. Rat

  3. Bat

  4. Snake

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Amazing facts in Agricultural Science

Cows technically have one stomach, not four. However, a cow's stomach has four compartments. These are: rumen, reticulum, omasum and abomasum

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 characteristics of gymnosperms:

  1. Their seeds have cones that protect them.

  2. Sepals and petals aren't present in their cones.

  3. Stigma and style are absent.

  4. They do not produce fruits. Only seeds are formed.

  5. Companion cells are absent.

  6. Sporophyll form the cones.

  7. Anther and filament are absent.

  8. The ovules are not present in the ovary.

  9. Gymnosperms do not possess flowers.

  10. Please read on the anatomical differences between gymnosperms and angiosperms here

The flower is the reproductive organ in plants' sexual reproduction. In order to achieve a successful sexual propagation or reproduction in plants, the floral parts of the flower are utilized.

The floral parts of a flower consists of the followings:

  1. Sepals

  2. Petals

  3. Stamen

  4. Carpel

The stamen is male portion of a plant. It consists of the anther and filament.

The carpel (or pistil) is the female portion of the plant. It consists of the stigma, style and ovary.

Please read more on plants' sexual reproduction here

An organism will be considered a pest if it does one of the followings:

  • Attack crops and eat its seeds, roots, stem, leaves and flowers. Examples are locust and grasshoppers.

  • Cause damage to stored food, fruits or other agricultural produce. Some may even urinate or deaficate on these products. Examples are rodents, cockroaches and mice.

  • Attack and kill farm animals like goats, sheep and cattle. Examples are foxes, wild cats and snakes.

  • Act as disease vectors. A vector is an organism that carries parasite and other disease causing organisms, without being affected; but when they introduce the parasites into their host, such host becomes infected with disease. Examples of vectors are rodents and mosquitoes.

    Please read more on vectors of diseases here.

Below are the classification of crops based on their uses:

  • Oil crops

  • Vegetable crops

  • Latex crops

  • Drug and Medicinal crops

  • Beverage crops

  • Fibre crops

  • Fruit crops

  • Root and Tubers

  • Legumes

  • Spices

  • Cereals

All crops are plants but not all plants are crops. Below are some instances:

  • Weeds are considered as plants, not crops.

  • Parasitic plants are not necessarily crops. Examples of parasitic plants include mistletoe, corpse flower and striga.

  • Carnivorous or insectivorous plants are not necessarily crops. Examples are sundew, venus flytrap and pitcher plant. The image below shows a carnivorous plant (venus flytrap).

Venus flytrap - Len Academy

 

Meanwhile, always understand that all crops are plants, and they are grown for food, money or something beneficial.

Please read on plants versus crops here