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Showing 605 questions
Q.91
In the case of reptiles, their heart is not properly divided in to four chambers i.e., it consists of two auricles and an incompletely divided ventricle. Which of the following is an example of a reptile having a four chambered heart?
Q.92
All living organisms on the Earth are made up of carbon compounds. Many years ago, dead and buried plants started slowly modifying into coal under high temperature and high pressure. This process is called:
Q.95
Which of the following options correctly matches column-A and column-B? Column-A (Food component) Column-B (Enzyme involved in digestion) i. Protein a. Amylase ii. Carbohydrates b. Lipase iii. Fats c. Trypsin
Q.98
The microscopic channels, which traverse the cell walls of plant cells and some algal cells, transport and enabling communication between them is called:
Q.104
Eutrophication is a condition where excessive growth of algal bloom occurs on the surface of a water body because of abundant nutrients. Which of the following are the key nutrients for eutrophication?
Q.107
Which of the following are primary functions related to the notochord in chordate embryos? A) Provides skeletal support B) Serves as a source of midline signals C) Aids in muscle attachment D) Digests food
Q.116
The process by which a water body gradually becomes enriched with nutrients and minerals, mainly phosphorus and nitrogen, leading to enormous growth of algae on the surface of the water, thus decreasing the amount of dissolved oxygen in the water is known as:
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