The question asks for the specific biological process involving the fusion of male and female gametes in plants. We need to identify the correct term from the given options.
A) Fertilisation
Fertilisation is the process where the male gamete (sperm) fuses with the female gamete (egg) to form a zygote. In plants, this typically occurs after pollination, when the pollen grain germinates on the stigma and the pollen tube grows to deliver the male gametes to the ovule for fusion with the egg cell.
The question asks about the shape of magnetic field lines inside a solenoid. To answer this, we need to recall the properties of the magnetic field produced by a current-carrying solenoid.
A) Straight and parallel — Inside a solenoid, especially an ideal one, the magnetic field lines are straight, parallel to the axis, and uniformly distributed, indicating a strong and uniform magnetic field.
\(\frac{a^4\times b^3\times c^4}{a^9\times b^4\times c^8}\) in simplified form is:
(a⁷) × (b⁹) × (c⁸)
(a⁻⁹) × (b⁻²) × (c⁻²)
(a⁷) × (b⁸) × (c⁻⁹)
(a⁻⁵) × (b⁻¹) × (c⁻⁴)
To simplify the given expression, we will use the laws of exponents, specifically the rule for division: \(\frac{x^m}{x^n} = x^{m-n}\). We will apply this rule to each base (a, b, and c) separately.
\[\frac{a^4}{a^9} = a^{4-9} = a^{-5}\]
\[\frac{b^3}{b^4} = b^{3-4} = b^{-1}\]
\[\frac{c^4}{c^8} = c^{4-8} = c^{-4}\]
\[a^{-5} \times b^{-1} \times c^{-4}\]
This is the simplified form of the given expression.
D) \((a^{-5}) \times (b^{-1}) \times (c^{-4})\) is the correct simplified form as derived from the laws of exponents.
Which of the following Constitutional amendments inserts the Special officer for linguistic minorities, who is known as the Commissioner for Linguistic Minorities in India (CLM), to investigate all the matters relating to the safeguards provided for the linguistic minorities in India under the Constitution and report to the President?
2nd Constitutional Amendment Act, 1952
11th Constitutional Amendment Act, 1965
10th Constitutional Amendment Act, 1960
7th Constitutional Amendment Act, 1956
The question asks to identify the Constitutional Amendment Act responsible for inserting the provision for a Special Officer for Linguistic Minorities (Commissioner for Linguistic Minorities - CLM) into the Indian Constitution. This involves recalling key constitutional amendments and their provisions, particularly those related to the reorganization of states and the protection of minority rights.
Correct Option: D) The 7th Constitutional Amendment Act, 1956, inserted Article 350B into the Constitution, which provides for a Special Officer for Linguistic Minorities (CLM). This amendment was crucial in addressing the concerns of linguistic minorities after the reorganization of states on a linguistic basis.
This question tests the understanding of series circuits and Ohm's Law. In a series circuit, components are connected end-to-end, forming a single path for the current. If this path is broken at any point, the flow of current ceases.
D) become zero. When a resistor is removed or broken in a series circuit, the circuit becomes open. An open circuit means there is no complete path for the current to flow, thus the current in the entire circuit becomes zero.
Study the given diagram carefully and answer the question that follows. The numbers in different sections indicate the number of persons who own the given brands of car. How many persons own both MS and WB but not HM?
(NOTE: You have to take the given data to be true even if they seem to be at variance from commonly known facts.)
To solve this problem, we need to find the number of persons who own both MS and WB cars but not HM cars. This requires analyzing the Venn diagram provided.
Correct Option: B) 12
This is a coding-decoding problem. We need to find the code for the word 'wall' by comparing the given coded statements and identifying common words and their corresponding common codes.
List the given statements and their codes:
Compare Statement 1 and Statement 2 to find the code for 'bed':
Compare Statement 1 and Statement 3 to find the code for 'pillow':
Compare Statement 2 and Statement 3 to find the code for 'door':
Now, use Statement 3 to find the code for 'wall':
A) bq is the correct code for 'wall', as determined by comparing the given coded statements.
This problem involves calculating the combined work rate of multiple taps (two filling taps and one emptying tap) to determine the total time required to fill a cistern. We will calculate the individual work rates (part of the cistern filled/emptied per hour) and then sum them up to find the net work rate. Finally, we will use the net work rate to find the total time.
Thus, it will take 2 hours to fill the empty cistern if all taps are opened together.
D) 2 — As calculated, the net filling rate is \(1/2\) of the cistern per hour, meaning it will take 2 hours to fill the entire cistern.
We need to determine who sits on the extreme left end of a straight line of five people (A, B, C, D, E) facing north. We will analyze each statement individually and then combine them to see if the position of the person on the extreme left can be uniquely identified.
There are 5 people: A, B, C, D, E. They are sitting in a straight line facing north. This means the left end is to our left and the right end is to our right.
Analyze Statement I: D sits second to the right of C.
In all these cases, we don't know who is at the extreme left end. It could be C, or someone to the left of C.
Therefore, Statement I alone is not sufficient.
Analyze Statement II: Exactly two people sit between B and D.
In these cases, we don't know who is at the extreme left end. It could be B, D, or someone else.
Therefore, Statement II alone is not sufficient.
Combine Statement I and Statement II:
From Statement I, we have the arrangement: C _ D
Now, let's try to fit Statement II (two people between B and D) into this arrangement of 5 people.
Possible arrangements for C _ D within 5 seats:
Now, let's place B such that there are two people between B and D:
Consider C _ D as the base:
From Scenario 2, B is on the extreme left. From Scenario 3, A or E is on the extreme left.
Since we get different people on the extreme left (B in Scenario 2, or A/E in Scenario 3), even after combining both statements, we cannot uniquely determine who sits on the extreme left end.
Therefore, both statements I and II put together are not sufficient to answer the question.
A) Both Statements I and II put together are not sufficient to answer the question. As shown above, even after combining both statements, we found two possible arrangements that lead to different people (B or A/E) being on the extreme left. Hence, the question cannot be answered.
The question asks for an example of regeneration in plants. Regeneration is a biological process where an organism regrows lost or damaged body parts. In the context of reproduction, it often refers to the ability of an organism to form a complete new individual from a fragment of its body.
Correct Option: D) Growth of a new plant from a cutting — This is a classic example of vegetative propagation, which is a form of asexual reproduction in plants where new plants grow from vegetative parts (like stems, roots, or leaves) of the parent plant. This process relies on the regenerative capabilities of plant tissues to form a complete new individual from a fragment.