STD 12 - 1. sexual reproduction in flowering plants — NEET STD 11 Science — Question

Which pteridophyte is called as horse-tail

Which gene was introduced in the first transgenic cow?

In the given columns, match the column I and column II. Select the correct match from the option given below.

Column I	Column II
A. Growth	I. Increase in mass and increase in number of individuals
B. Metabolism	II. Sum total of all chemical reactions occurring in body
C. Herbarium	III. Preserved specimens on sheets become a store house for future use
D. Botanical garden	IV. Generally set up in garden educational institutes
E. Museum	V. Includes collection of living plants for reference
F. Species	VI. Basic unit of classification

A	B	C	D	E	F
(a) I	II	III	IV	V	VI
(b) I	II	III	V	IV	VI
(c) II	I	III	V	IV	VI
(d) I	II	IV	III	V	VI

Spore of fern represents

Assertion: Neem and silk cotton have compound leaf.
Reason: In compound leaf incisions of the lamina reach up to the midrib breaking it into a number of leaflets.

In the extreme drought condition which of the following plant hormone is produced due to which stomata closes

In a lake, phytoplankton grow abundant in

During respiration, there is

Tonoplast is a