Which of the following statements is/are correct regarding the given figure?
(i) The part labelled as 'P' gives rise to fruit.
(ii) The part labelled as 'R' is responsible for transfer of female gamete.
(iii) The part labelled as 'Q' transforms into endosperm.
(iv) The part labelled as 'S' is a male gamete.
B(i) and (iii)
C(iii) and (iv)
D(i) and (ii)
Plaese explain me the answer.
Train P travels with a speed of 80 km/h from Delhi to Chennai. Train Q travels from Delhi to Chennai with a speed of 75 km/h. Which of the following statements is true?
ATrains P and Q have the same velocity as they are travelling in the same direction.
BTrains P and Q have same velocity but different speed.
CTrains P and Q have different speeds and different velocities.
DCan't say, as the given information is not enough.
State whether the following statements are true (T) or false (F).
(A) When bulbs are connected in series different amount of current flows through them.
(B) When bulbs are connected in parallel same amount of current flows through them.
(C) In a neutral body, the amount of negative and positive charges are equal.
(D) Nichrome is used as a heating element as it has high resistivity.
When petroleum is heated in a fractionating column, various gaseous fractions are condensed according to their boiling points.
Which of the following fractions will condense near the top of fractionating column?
Earthquakes at two places P and Q were measured by a seismograph which recorded the magnitude as 2 and 4. The magnitude of tremors and the destructive energy at P and Q can be compared as
ATremors at Q are two times those at place P
BTremors at Q are four times those at place P
CTremors at Q are 100 times those at place P
DTremors at Q are 1000 times those at place P.
In which of the following conditions, seed will germinate? ( represents presence and represents absence.)