Correct Answer:

Ecotype

Solution : The correct option is Ecotype.

The basic unit of biosystematics is the ecotype. It is suited to a specific habitat and yet can produce entirely viable hybrids with various ecotypes. In Turesson's words, ecotype refers to "an ecological unit to cover the product arising as

Correct Answer: $\frac{80}{7}$ days

Solution : 12 men can do work in 8 days while 4 boys can do it in 40 days.
$M_{1}D_{1} = M_{2}D_{2}$
$⇒ 12 \text{ men} \times 8 = 4 \text{ boys} \times 40$
$⇒ 12 \text{ men} = 4 \text{ boys} \times\frac{40}{8}$
$⇒ 3 \text{

Correct Answer: 400

Solution : Given: The average monthly salary of workers, 100 technicians and non-technicians in a factory is INR 6,000, INR 12,000 and INR 4,000.
Let the number of workers be $x$.
The sum of observations = Average × Number of observations
We set up an equation,
$⇒

Correct Answer: Bihu

Solution : The correct answer is Bihu.

Assamese people celebrate the traditional festival of Bihu. It is one of the biggest cultural events in the region and is very important both socially and culturally. Bihu dance is performed during the events. Bihu is mostly connected to the

Correct Answer: Archive

Solution : The correct choice is the first option.

An archive refers to a place where historical documents, records, or materials are stored for preservation and reference.

The meanings of the other options are as follows:

• A library typically refers to a place where books and

Correct Answer: 10%

Solution : Given:
Marked price = (M.P) = Rs. 210
Selling price = (S.P) = Rs. 189
Discount = 210 – 189 = Rs. 21
⇒ So, rate of discount = $\frac{21}{210}$ × 100 = 10%
Hence, the correct answer is 10%.

Correct Answer: Gender development index

Solution : The correct answer is the Gender Development Index.

The physical quality of life index includes three main components or indicators, which are life expectancy, infant mortality rate, and literacy rate. The Gender Development Index is not part of the physical quality of

Correct Answer: Vitamin B3

Solution : The correct answer is Vitamin B3.

Niacin is also known as Vitamin B3. It is one of the B-complex vitamins and is essential for various bodily functions, including energy metabolism and the maintenance of skin, nerves, and the digestive system. Niacin is water-soluble,

Correct Answer: Bibliophile

Solution : The first option is the correct choice.

A bibliophile is a person who loves and collects books.

The meanings of the other options are as follows:

• Philanthropist: Someone who donates their wealth, resources, or time to charitable causes.
• Geologist: A scientist who studies

Correct Answer: fatal

Solution : The correct choice is the third option.

Fatal means causing death, and in the context of the sentence, it emphasises the potential seriousness of administering medication without proper identification.