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Match the columns and identify the correct option. Column I A. Thylakoids B. Cristae C. Cisternae D. Chromatin Column II (i) Disc-shaped sacs in Golgi apparatus (ii) Condensed structure of DNA (iii) Flat membranous sacs in stroma (iv) Infolding in mitochondria
STDs lead to:
Identify the incorrect statement regarding surgical birth control methods:
Which of the following pair of organelles does not contain DNA?
Cell wall formation in bacteria is facilitated by:
Which of the following functions is carried out by the cytoskeleton in a cell?
The correct sequence of phases in cell cycle is:
Which one of the following is the quiescent stage of cell cycle?
In 'test-tube baby' procedure:
The right option for the statement "Tyndall effect is exhibited by", is :
The position-time (x-t) graph for positive acceleration is:
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
Match List-I with List-II: List-I A. Epinephrine B. Thyroxine C. Oxytocin D. Glucagon List-II I. Hyperglycemia II. Smooth muscle contraction III. Basal metabolic rate IV. Emergency hormone
Match the following contraceptive methods (Column-I) with their correct categories (Column-II):<br><br>Column-I<div>A. Coitus Interruptus<br>B. LNG – 20<br>C. Diaphragms<br>D. Multiload 375</div><div><br></div><div>Coloumn II</div><div>I. Natural Method</div><div>ii. Barrier Methood</div><div>iii. IUD (Copper Releasing)</div><div>iv. IUD (Hormone Releasing)</div><div><br></div><div><br></div>
Emergency contraceptive methods must be employed within:
Match List-I with List-II. Choose the correct answer from the options given below.
Match the source gland with its respective hormone as well as the function.
Two cylinders A and B of equal capacity are connected to each other via a stop cock. A contains an ideal gas at standard temperature and pressure. B is completely evacuated. The entire system is thermally insulated. The stop cock is suddenly opened. The process is :
Which of the following are not the effects of Parathyroid hormone? (a) Stimulates the process of bone resorption (b) Decreases Ca2+ level in blood (c) Reabsorption of Ca2+ by renal tubules (d) Decreases the absorption of Ca2+ from digested food (e) Increases metabolism of carbohydrates
A circular platform is mounted on a frictionless vertical axle. Its radius $R=2\text{ m}$ and moment of inertia about the axle is $200\text{ kg m}^2$. It is initially at rest. A $50\text{ kg}$ man stands on the edge of the platform and begins to walk along the edge at the speed of $1\text{ ms}^{-1}$ relative to the ground. Time taken by the man to complete one revolution is: