1. The plant hormone Auxin is basically a ___?
[A] Weak Organic Acid
[B] Weak Inorganic Acid
[C] Weak Organic base
[D] Gaseous compound of carbon
Show Answer
Correct Answer: A [Weak Organic Acid]
Notes:
Auxins are a class of plant hormones with some morphogen-like characteristics. Auxin is basically a Weak Organic Acid and It is produced in the stem tip that promotes the elongation in the cells.
2. Clove is which part of the plant?
[A] Flower bud
[B] Calyx
[C] Inflorescence
[D] fruit
Show Answer
Correct Answer: A [Flower bud]
Notes:
Cloves are native to the Maluku Islands (or Moluccas) in Indonesia. They are the aromatic flower buds of a tree in the family Myrtaceae, Syzygium aromaticum. They are generally used as a spice.
3. Which among the following are called Thrombocytes?
[A] RBC
[B] WBC
[C] Platelets
[D] Serum
Show Answer
Correct Answer: C [Platelets]
Notes:
Thrombocytes which are also called as platelets are a component of blood whose function is to react to bleeding from blood vessel injury by clumping, thereby initiating a blood clot.
4. Any disease which has a name with a suffix encephalitis is a disorder of ______?
[A] Nerves
[B] Brain
[C] Lungs
[D] Heart
Show Answer
Correct Answer: B [Brain]
Notes:
Encephalitis is an inflammation of the brain tissue. The most common cause is viral infections which is caused by bacteria or even fungi. There are two main types of encephalitis: primary Encephalitis and secondary Encephalitis.
5. Ornithophily refers to the pollination through which among the following?
[A] Wind
[B] Insects
[C] Birds
[D] Water
Show Answer
Correct Answer: C [Birds]
Notes:
Ornithophily refers to the pollination through birds. Birds which are involved in ornithophily are specialist nectarivores with brushy tongues and long bills, that are either capable of hovering flight or light enough to perch on the flower structures.
6. A plant belonging to which of the following groups would show least adaptation to marine water?
[A] Pteridophytes
[B] Gymnosperms
[C] Angiosperms
[D] Bryophytes
Show Answer
Correct Answer: C [Angiosperms]
Notes:
A plant belonging to angiosperms group would show least adaptation to marine water. Angiosperms are vascular plants that have stems, roots, and leaves.
7. The phenomenon in which seeds germinate and seedlings grow while still attached to their mother plant before dropping down to establish themselves or be transported elsewhere, is most commonly found in which among the following plants?
[A] Allium cepa
[B] Rhizophora
[C] Solanum tuberosum
[D] Solanum melongena
Show Answer
Correct Answer: B [Rhizophora]
Notes:
Allium cepa is onion.
Solanum tuberosum is potato,
Solanum melongena is Brinjal.
The phenomenon given in this question is shown by Mangrove Plants and is known as Vivipary and Rhizophora belongs to that category.
8. Human body has how many vertebrae?
[A] 32
[B] 35
[C] 33
[D] 47
Show Answer
Correct Answer: C [33]
Notes:
The human vertebral column is made of vertebrae that collectively protect the spinal cord and support the entire skeletal framework of the body. The human body has a total of 33 vertebrae. These consist of 7 cervical vertebrae in the neck, 12 thoracic vertebrae in the upper back, 5 lumbar vertebrae in the lower back, 5 sacral vertebrae in the pelvis, and 4 coccygeal vertebrae in the tailbone. These vertebrae are essential for providing support and flexibility to the spine.
9. Which vitamin protects us from Pellagra disease?
[A] Vitamin B5
[B] Vitamin B7
[C] Vitamin B3
[D] None of the above
Show Answer
Correct Answer: C [Vitamin B3]
Notes:
Vitamin B3 protects us from Pellagra disease. Vitamin B-3 is important for a healthy body and may help to slow the progression of heart disease, diabetes, etc. It aids your metabolism and nervous system.
10. Who among the following has given the theory of evolution of species by natural selection?
[A] Mendel
[B] Darwin
[C] Dalton
[D] Morgan
Show Answer
Correct Answer: B [Darwin]
Notes:
Charles Robert Darwin gave the theory of evolution in his book “The Origin of Species”. The theory proposed by him is known as “The Theory of Natural Selection”.
