| 2024-01-23 | Position vector of a particle moving in \( x y \) plane at
time \( t \) is \( \vec{r}=a(1-\cos \.... | 3:03 | 1 | |
|
| 2024-01-23 | A motor car is travelling at \( 60 \mathrm{~m} / \mathrm{s} \) on a circular road of radius \( 1.... | 1:34 | 2 | |
|
| 2024-01-23 | A stone tied to the end of a string of \( 1 \mathrm{~m} \) long is whirled in a horizontal circl.... | 2:01 | 0 | |
|
| 2024-01-23 | A car of mass \( m \) is moving on a level circular track
of radius \( R \). If \( \mu_{\mathrm{.... | 1:13 | 1 | |
|
| 2024-01-23 | A car of mass \( 1000 \mathrm{~kg} \) negotiates a banked curve
of radius \( 90 \mathrm{~m} \) o.... | 1:32 | 0 | |
|
| 2024-01-23 | A car runs at a constant speed on a circular track of
radius \( 100 \mathrm{~m} \), taking 62.8 .... | 2:51 | 1 | |
|
| 2024-01-23 | A persons stands in contact against the inner wall of a rotor of radius \( r \). The coefficient.... | 1:41 | 1 | |
|
| 2024-01-23 | Three particles \( A, B \) and \( C \) move in a circle in
anticlockwise direction with speeds \.... | 2:21 | 1 | |
|
| 2024-01-23 | A particle moves along a circle of radius \( \left(\frac{20}{\pi}\right) \mathrm{m} \)
with cons.... | 2:35 | 0 | |
|
| 2024-01-23 | A simple pendulum of length \( l \) and bob of mass \( m \) is displaced from its equilibrium po.... | 3:04 | 0 | |
|
| 2024-01-23 | A string of length \( 1 \mathrm{~m} \) is fixed at one end with a
bob of mass \( 100 \mathrm{~g}.... | 4:16 | 0 | |
|
| 2024-01-23 | Two particles revolve concentrically in a
horizontal plane in the same direction. The time requi.... | 2:09 | 2 | |
|
| 2024-01-23 | A small particle of mass \( 0.36 \mathrm{~g} \) rests on a horizontal
turntable at a distance \(.... | 5:46 | 0 | |
|
| 2024-01-23 | The frequency (n) of vibration of a string is given
as \( \mathrm{n}=\frac{1}{2 \ell} \sqrt{\fra.... | 2:04 | 1 | |
|
| 2024-01-23 | The time dependence of physical quantity is
given by \( \mathrm{P}=\mathrm{P}_{0} \mathrm{e}^{-\.... | 2:36 | 0 | |
|
| 2024-01-23 | If the units of \( \mathrm{M} \) and \( \mathrm{L} \) are increased three times,
then the unit o.... | 1:53 | 73 | |
|
| 2024-01-23 | The frequency of vibrations of a mass \( m \) suspended
from a spring of spring constant \( \mat.... | 3:38 | 0 | |
|
| 2024-01-23 | If force \( \mathrm{F} \), acceleration \( \mathrm{A} \) and time \( \mathrm{T} \) are basic
phy.... | 4:38 | 19 | |
|
| 2024-01-23 | If \( \mathrm{C} \) and \( \mathrm{L} \) denote the capacitance and inductance,
then the units o.... | 1:28 | 27 | |
|
| 2024-01-22 | A ring of mass \( (2 \pi) \mathrm{kg} \) and of radius \( 0.25 \mathrm{~m} \) is
making \( 300 \.... | 5:36 | 189 | |
|
| 2024-01-22 | During prolonged fasting, in what sequence are the
following organic compounds used up by the bo.... | 4:08 | 0 | |
|
| 2024-01-22 | Match the terminology given in column I with their respective examples in column II \& select th.... | 4:28 | 0 | Vlog |
|
| 2024-01-22 | Match column I with column II \& select the correct combination..... | 3:00 | 0 | |
|
| 2024-01-22 | Match the name of scientists given in column I with
their respective work in column II \& select.... | 3:49 | 0 | |
|
| 2024-01-22 | On the basis of correlation, find the correct option from columns.
\begin{tabular}{|l|l|l|}
\hli.... | 3:24 | 0 | |
|
| 2024-01-22 | Match the plant hormone given in column I with their respective functions in column II \& select.... | 2:47 | 0 | |
|
| 2024-01-22 | Assertion: To form a tracheary element, the cells would lose their protoplasm.
Reason: During di.... | 2:11 | 0 | |
|
| 2024-01-22 | Exponential growth can't be sustained for much time due to
I. Limited space and nutrient
II. Acc.... | 4:11 | 0 | |
|
| 2024-01-22 | Assertion: Ethylene promotes rapid internode/petiole elongation in deep water rice plants.
Reaso.... | 2:06 | 0 | |
|
| 2024-01-22 | Which is an example of redifferentiation?.... | 4:07 | 0 | |
|
| 2024-01-22 | Assertion: The fruits can be left on the tree longer
so as to extend the market period.
Reason: .... | 1:41 | 0 | |
|
| 2024-01-22 | Assertion: Decapitation usually results in the growth of lateral buds.
Reason: Auxins promote fl.... | 2:21 | 0 | |
|
| 2024-01-22 | Refer to the given diagram \& select the incorrect statement w.r.t to it..... | 3:04 | 0 | |
|
| 2024-01-22 | Assertion: Plant growth is unique
Reason: Plants retain the capacity of division for limited tim.... | 2:06 | 0 | |
|
| 2024-01-22 | I. Lag phase \( \rightarrow \) Log phase \( \rightarrow \) Stationary phase
II. Geometric and Ar.... | 6:04 | 0 | Vlog |
|
| 2024-01-22 | Parthenocarpy in tomatoes is induced by.... | 1:30 | 0 | |
|
| 2024-01-22 | Study the following questions.
I. Who was the first to confirm the release of volatile substance.... | 3:20 | 0 | |
|
| 2024-01-22 | Identify to which plant hormone, the given function belongs
I. Initiates flowering in pineapples.... | 1:35 | 0 | |
|
| 2024-01-22 | I. Increased vacuolation
II. Cell enlargement
III. New cell wall deposition
Which of the above a.... | 1:48 | 0 | |
|
| 2024-01-22 | Fruits can be left on the tree longer, so as to increase the market period. This is due to the f.... | 2:24 | 0 | |
|
| 2024-01-22 | Identify the correct sequence of the following events
occurring in plants and choose the correct.... | 2:54 | 0 | |
|
| 2024-01-22 | Search for natural cytokinin lead to the.... | 1:37 | 0 | |
|
| 2024-01-22 | Removal of shoot tips is very useful technique to boost the production of tea leaves. This is be.... | 3:35 | 0 | |
|
| 2024-01-22 | After a series of experiments, it was concluded that the _A_ of coleoptile was the site of trans.... | 2:58 | 0 | |
|
| 2024-01-22 | The cells derived from cambium, root apical and shoot apical meristem differentiate and mature t.... | 3:14 | 0 | |
|
| 2024-01-22 | Growth in plants is measured by the increase in
I. Fresh weight
II. Dry weight
III. Length, area.... | 2:24 | 0 | |
|
| 2024-01-22 | Match column I with column II:
\begin{tabular}{|l|l|c|l|}
\hline & \multicolumn{1}{|c|}{ Column .... | 5:09 | 0 | |
|
| 2024-01-22 | Match column I with column II:
\begin{tabular}{|l|l|c|l|}
\hline & \multicolumn{1}{|c|}{ Column .... | 3:20 | 0 | |
|
| 2024-01-22 | Match column I with column II:
\begin{tabular}{|l|l|c|l|}
\hline & \multicolumn{1}{|c|}{ Column .... | 3:44 | 0 | |
|
| 2024-01-22 | Match column I with column II:
\begin{tabular}{|l|l|c|l|}
\hline \multicolumn{2}{|c|}{ Column I .... | 5:22 | 0 | |
|
| 2024-01-22 | Assertion (A): Dark phase is known as biosynthetic phase.
Reason (R): ATP, NADPH and \( \mathrm{.... | 4:18 | 0 | |
|
| 2024-01-22 | Match column I with column II:
\begin{tabular}{|l|l|c|l|}
\hline & \multicolumn{1}{|c|}{ Column .... | 3:01 | 0 | |
|
| 2024-01-22 | Assertion (A): ATP synthase produces ATP.
Reason (R): CF1 particle undergoes conformational
chan.... | 2:15 | 0 | |
|
| 2024-01-22 | Assertion (A): \( \mathrm{H}^{+} \)concentration in stroma decreases in light phase.
Reason (R):.... | 2:25 | 0 | |
|
| 2024-01-22 | Assertion (A): \( \mathrm{H}^{+} \)after water splitting accumulates in thylakoid lumen.
Reason .... | 2:30 | 0 | |
|
| 2024-01-22 | Assertion (A): Green colour of leaves is due to photosynthetic pigments.
Reason (R): Chlorophyll.... | 2:43 | 0 | |
|
| 2024-01-22 | Choose the correct option from following.... | 2:01 | 0 | |
|
| 2024-01-22 | Which pigment is blue green in chromatogram?.... | 2:22 | 0 | |
|
| 2024-01-22 | Choose correct statement regarding Photosynthesis.... | 1:53 | 0 | |
|
| 2024-01-22 | Which colour of light is least absorbed by chlorophyll?.... | 1:57 | 0 | |
|
| 2024-01-22 | Dark reaction of chloroplast.... | 2:18 | 0 | |
|
| 2024-01-22 | Experiment using \( \mathrm{KOH} \) and leaf, proved essentiality of which of the following for .... | 3:10 | 0 | |
|
| 2024-01-22 | Who proposed that oxygen evolving in photosynthesis is coming from water not carbon
dioxide?.... | 3:19 | 0 | |
|
| 2024-01-22 | The membrane system responsible for synthesis of ATP and NADPH is.... | 3:35 | 0 | |
|
| 2024-01-22 | Split light spectrum experiment using prism was done by.... | 3:02 | 0 | |
|
| 2024-01-22 | Oxygen is released from water not carbon dioxide, this was proved using.... | 2:13 | 0 | |
|
| 2024-01-22 | Who proposed that glucose is stored as starch?.... | 2:40 | 0 | |
|
| 2024-01-22 | Choose incorrect statement regarding Engelmann's experiment..... | 2:58 | 0 | |
|
| 2024-01-22 | Which of the following is correct regarding Priestley's experiments..... | 3:51 | 0 | |
|
| 2024-01-22 | Which of the following option is most appropriate for starch test done on a variegated leaf.... | 3:53 | 0 | |
|
| 2024-01-22 | Choose the correct statement regarding Jan Ingenhousz's experiment..... | 2:02 | 0 | |
|
| 2024-01-22 | Match column I with column II:
\begin{tabular}{|l|l|c|l|}
\hline & \multicolumn{1}{|c|}{ Column .... | 2:20 | 0 | |
|
| 2024-01-22 | Match column I with column II:
\begin{tabular}{|l|l|c|l|}
\hline & \multicolumn{1}{|c|}{ Column .... | 3:56 | 1 | |
|
| 2024-01-22 | Match column I with column II:
\begin{tabular}{|l|l|c|l|}
\hline & \multicolumn{1}{|c|}{ Column .... | 3:17 | 0 | |
|
| 2024-01-22 | Match column I with column II:
\begin{tabular}{|l|l|c|l|}
\hline & Column I & & Column II \\
\hl.... | 3:42 | 0 | |
|
| 2024-01-22 | Assertion (A): Secondary medullary rays are formed
due to cambial activity in the dicot stem.
Re.... | 3:30 | 0 | |
|
| 2024-01-22 | Match column I with column II:
\begin{tabular}{|l|l|r|l|}
\hline & \multicolumn{1}{|c|}{ Column .... | 3:02 | 0 | |
|
| 2024-01-22 | Assertion (A): Lenticels are analogous to stomata.
Reason (R): They are involved in gaseous exch.... | 2:35 | 0 | Vlog |
|
| 2024-01-22 | Assertion (A): Cork cells are dead at maturity.
Reason (R): They are impervious to water..... | 2:13 | 0 | |
|
| 2024-01-22 | Well developed pith is present in.... | 4:22 | 0 | |
|
| 2024-01-22 | Assertion (A): Casparian strips are present in
endodermis of root.
Reason (R): Suberin is deposi.... | 2:31 | 0 | |
|
| 2024-01-22 | Interfascicular cambium is formed by.... | 3:54 | 0 | |
|
| 2024-01-22 | Assertion (A): Heartwood of secondary xylem is
dead.
Reason (R): It is resistant to microbial at.... | 2:37 | 0 | |
|
| 2024-01-22 | Stele consists of.... | 1:32 | 0 | |
|
| 2024-01-22 | Water cavities within vascular bundles is a feature of.... | 1:42 | 0 | |
|
| 2024-01-22 | In which area epidermis is not covered by cuticle.... | 1:27 | 0 | |
|
| 2024-01-22 | Endodermis in roots is.... | 1:54 | 1 | |
|
| 2024-01-22 | Stomatal apparatus consists of.... | 1:35 | 1 | |
|
| 2024-01-22 | Which part of the phloem is used commercially.... | 1:54 | 1 | |
|
| 2024-01-22 | Which of the following is not correct about trichomes.... | 1:46 | 0 | |
|
| 2024-01-22 | Two main group of tissues consisting all other kind of
tissues are.... | 2:22 | 0 | |
|
| 2024-01-22 | Petiole of leaf is supported by.... | 1:46 | 0 | |
|
| 2024-01-22 | How many living components are present in xylem.... | 2:23 | 0 | |
|
| 2024-01-22 | In conjoint vascular bundles usually.... | 1:37 | 0 | |
|
| 2024-01-22 | Shoot apical meristem is located at.... | 2:27 | 0 | |
|
| 2024-01-22 | Match column I with column II:
\begin{tabular}{|l|l|c|l|}
\hline & \multicolumn{1}{|c|}{ Column .... | 2:26 | 0 | |
|
| 2024-01-22 | Match column I with column II:
\begin{tabular}{|l|l|c|l|}
\hline & \multicolumn{1}{|c|}{ Column .... | 2:38 | 0 | |
|
| 2024-01-22 | Buds which form branch are normally present in.... | 1:21 | 0 | |
|
| 2024-01-22 | Assertion (A): Flowers in mustard are zygomorphic.
Reason (R): They can be cut in equal halves o.... | 2:33 | 0 | |
|
| 2024-01-22 | Match column I with column II:
\begin{tabular}{|l|l|c|l|}
\hline & \multicolumn{1}{|c|}{ Column .... | 2:50 | 0 | |
|
