Match the following and select the correct answer: (a) Centriole (i) lnfoldings in mitochondria (b) Chlorophyll (ii) Thylakoids (c) Cristae (iii) Nucleic acids (d) Ribozymes iv) Basal body cilia or flagella
Options
(a) […]
Dr F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly- cut coleoptile stumps. Of what […]
A few normal seedling of tomato were kept in a dark room. After few days they were found to have become white- coloured like albions, Which of the following terms will you use to describe […]
An alga which can be employed as food for human beings:
Options
(a) Ulothrix (b) Chiarella (c) Spirogyr (d) Polysiphonia
Correct Answer:
Chiarella
Explanation:
No explanation available. Be the first to write the […]
A marine cartilaginous fish that can produce electric current is:
Options
(a) Pristis (b) Torpedo (c) Trygon (d) Scoliodon
Correct Answer:
Torpedo
Explanation:
Torpedo is a sluggish fish. It is carnivorous. The prey is […]
Anoxygenic photosynthesis is characteristic of:
Options
(a) Rhodospirillum (b) Spirogyra (c) Chlamydomonas (d) Ulva
Correct Answer:
Rhodospirillum
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Stimulation of a muscle fiber by a motor neuron occurs at:
Options
(a) the neuromuscular junction (b) the transverse tubules (c) the myofibril (d) the sacroplasmic reticulum
Correct Answer:
the neuromuscular junction
Explanation: […]
Injury localized to the hypothalamus would most likely disrupt:
Options
(a) short- term memory (b) co- ordination during locomotion (c) executive functions, such as decision making. (d) regulation of body temperature
Correct Answer: […]
Identify the hormone with its correct matching of source and function:
Options
(a) Oxytocin- posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin- pineal gland, regulates the normal rhythm of sleepwake cycle. […]
How do parasympathetic neural signals affect the working of the heart?
Options
(a) Reduce both heart rate and cardiac output (b) Heart rate is increased without affecting the cardiac output. (c) Both heart […]
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