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Two identical piano wires kept under the same tension $T$ have a fundamental frequency of $600 \text{ Hz}$. The fractional increase in the tension of one of the wires which will lead to the occurrence of $6 \text{ beats/s}$ when both the wires oscillate together would be:
Two equal negative charges of charge -q are fixed at the points (0, a) and (0, -a) on the Y-axis. A positive charge Q is released from rest at the point (2a, 0) on the X-axis. The charge Q will:
Match the placental types Column-I with their examples Column-II.
The last chromosome sequenced in Human Genome project was:
The hilum is a scar on the:
When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as:
Arrange the following events of meiosis in a correct sequence: I. Crossing over II. Synapsis III. Terminalisation of chiasmata IV. Disappearance of nucleolus
Plants which produce characteristic pneumatophores and show vivipary belong to:
A car moving with a speed of $40 \text{ km/h}$ can be stopped by applying brakes for atleast $2 \text{ m}$. If the same car is moving with a speed of $80 \text{ km/h}$, what is the minimum stopping distance?
Sweet potato is a modified:
Which one of the following plants shows vexillary aestivation and diadelphous stamens?
Example of an edible underground stem is:
Identify the incorrect statement:
Choose the mismatched pair of leaf character with its example:
In Bougainvillea thorns are the modifications of:
The transparent lens in the human eye is held in its place by
What map unit (Centimorgan) is adopted in the construction of genetic maps?
Placentation in tomato and lemon is:
Cymose inflorescence is present in:
Which of the following is present between the adjacent bones of the vertebral column?