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- Question
Reflex actions are controlled by
Options- A. The Spinal Chord
- B. The Nerves
- C. The cells
- D. The Brain
- Correct Answer
- The Spinal Chord
ExplanationA reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. This allows for faster reflex actions to occur by activating spinal motor neurons without the delay of routing signals through the brain.
- 1. Myopia is a defect of eyes which is also known as
Options- A. Far Sightedness
- B. Near Sightedness
- C. Astigmatism
- D. Night Blindness Discuss
- 2. Carotene in fruits and vegetables gives it which color?
Options- A. Green
- B. Pink
- C. Orange
- D. Blue Discuss
- 3. Which is the longest bone in human body?
Options- A. febula
- B. Tibia
- C. Stapes
- D. Femur Discuss
- 4. The body of all complex animals consist of only _______ basic types of tissue(s).
Options- A. 4000
- B. 400
- C. 40
- D. 4 Discuss
- 5. In a majority of flowering plants, out of the four megaspores, what is the ratio of functional and degenerate megaspores?
Options- A. 2:2
- B. 1:3
- C. 3:1
- D. 4:0 Discuss
- 6. Conversion of Glycogen to Glucose is stimulated by
Options- A. Insulin
- B. Cortisol
- C. Glucagon
- D. Progesterone Discuss
- 7. What color is Lobster blood?
Options- A. Blue
- B. White
- C. Red
- D. Colourless Discuss
- 8. Genes are made of
Options- A. Carbohydrates
- B. Proteins
- C. Fats
- D. Nucleotides Discuss
- 9. The Mode of nutrition in which particulate food is devoured is
Options- A. holozoic
- B. holophytic
- C. saprophytic
- D. Parasitic Discuss
- 10. Infection of salivary glands by a virus leads to
Options- A. tetanus
- B. mumps
- C. pyorrhoea
- D. ulcers Discuss
Biology problems
Search Results
Correct Answer: Near Sightedness
Correct Answer: Orange
Correct Answer: Femur
Correct Answer: 4
Correct Answer: 1:3
Correct Answer: Glucagon
Correct Answer: Blue
Explanation:
Lobsters, like snails and spiders, have blue blood due to the presence of hemocyanin, which contains copper. In contrast, vertebrates and many other animals have red blood from iron-rich hemoglobin.
Correct Answer: Nucleotides
Explanation:
Genes: The DNA is the genetic material. The DNA is made of several nucleotides. A nucleotide means, one nitrogenous base one sugar molecule and a phosphate molecule. These Nucleotides occur in sequences and several nucleotides form one gene ( a functional gene is called a cistron)
Correct Answer: holozoic
Explanation:
The feeding mechanism is of several types. If it is entirely plant-like (photosynthesis),it is called holophytic. It is entirely (holo) animal-like (zoic), that is devouring already existing food, it is called holozoic.
Correct Answer: mumps
Explanation:
Mumps: This is a swelling caused by inflammation of parotid glands placed in front of our ear region. The Inflammation is caused by a virus.
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