Biology Practice Question and Answer

Q:

Essential elements for plant overdose?

2090 0

  • 1
    Nitrogen
    Correct
    Wrong
  • 2
    Sulfur
    Correct
    Wrong
  • 3
    calcium
    Correct
    Wrong
  • 4
    Phosphorus
    Correct
    Wrong
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Answer : 1. "Nitrogen"
Explanation :

The term "overdose" in the context of essential elements for plants suggests an excess or imbalance of nutrients, which can have negative effects on plant health. Among the options given:

(A) Nitrogen

Explanation: While all nutrients are essential for plant growth, an overdose or excessive application of nitrogen (option A) can lead to problems such as nutrient imbalance, environmental pollution, and increased susceptibility to certain diseases. Excessive nitrogen can cause rapid vegetative growth, but it may negatively impact other aspects of plant health, such as root development, flowering, and overall resilience.

Balanced nutrient management is crucial for optimal plant growth, and it's important to consider the specific requirements of each plant species and the soil conditions to avoid nutrient imbalances and potential negative effects on plant health.

Q:

Gir, Sahiwal and Lal Singhi are its different breeds?

1996 0

  • 1
    cow
    Correct
    Wrong
  • 2
    Sheep
    Correct
    Wrong
  • 3
    Goat
    Correct
    Wrong
  • 4
    Buffalo
    Correct
    Wrong
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Answer : 1. "cow"
Explanation :

The different breeds mentioned—Gir, Sahiwal, and Lal Singhi—are associated with:

(A) Cow

Explanation:

Gir, Sahiwal, and Lal Singhi are breeds of cows (cattle). These breeds are known for their distinct characteristics, including milk production, adaptability to specific environments, and other traits that make them well-suited for various agricultural purposes. Therefore, the correct answer is (A) Cow.

Q: Daydreaming, Meditation, Intoxication, Sleep and Hypnosis are all types of 1948 0

  • 1
    waking consciousness
    Correct
    Wrong
  • 2
    self-absorption
    Correct
    Wrong
  • 3
    altered states of consciousness
    Correct
    Wrong
  • 4
    self-awareness
    Correct
    Wrong
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Answer : 3. "altered states of consciousness"
Explanation :

Answer: C) altered states of consciousness Explanation: Consciousness is the state or quality of awareness, or, of being aware of an external object or something within oneself.   Day dreaming, Meditation, Intoxication, Sleep and Hypnosis are all types of altered states of consciousness . In al these states, a person's state of conscious is altered but he has consciousness.

Q:

Cartilage is not found in which of the following?

1944 0

  • 1
    in the nose
    Correct
    Wrong
  • 2
    In the gorge
    Correct
    Wrong
  • 3
    in kidney
    Correct
    Wrong
  • 4
    in the ear
    Correct
    Wrong
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Answer : 3. "in kidney"
Explanation :

Cartilage is not found in:

(C) in the kidney

Explanation:

Cartilage is a connective tissue that is flexible and provides support to various structures in the body. However, it is not found in the kidney. The kidney primarily consists of renal tissue, blood vessels, and other specialized structures involved in the filtration of blood and the formation of urine. Cartilage is commonly found in areas such as the nose, ears, joints, and certain respiratory structures, but it is not a component of the kidney.

Q:

The central control of respiratory activity in human body is exercised by 

1923 0

  • 1
    medulla oblongata
    Correct
    Wrong
  • 2
    hypothalamus
    Correct
    Wrong
  • 3
    cerebrum
    Correct
    Wrong
  • 4
    Cerebellum
    Correct
    Wrong
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Answer : 1. "medulla oblongata "

Q: Which of the following is not a prime cost? 1888 0

  • 1
    Supervisor's wages
    Correct
    Wrong
  • 2
    Assembly line wages
    Correct
    Wrong
  • 3
    Machine operators wages
    Correct
    Wrong
  • 4
    Direct labor wages
    Correct
    Wrong
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Answer : 1. "Supervisor's wages"
Explanation :

Answer: A) Supervisor's wages Explanation: The prime cost calculates the use of raw materials and direct labor, but does not factor in indirect expenses, such as advertising and administrative costs. Supervisor's wages doesn;t come under prime cost.

Q:

Inadequate supply of blood in the human body is called-

1857 0

  • 1
    Anemia
    Correct
    Wrong
  • 2
    Hypermia
    Correct
    Wrong
  • 3
    Hemostasis
    Correct
    Wrong
  • 4
    Hemorrhage
    Correct
    Wrong
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Answer : 1. "Anemia"

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