Correct Answer: C. rout

Correct Answer: B. Haggling

Correct Answer: D. 4.80 days

Explanation

Half life time= 24/5 = 4.8 days

Correct Answer: A. expands unevenly between 0°C and 40°C

Correct Answer: A. depositing

Correct Answer: A) capturing prey

Explanation

Cnidarians are aquatic animals that include jellyfish, corals, and sea anemones. Nematocysts are specialized cells that cnidarians use to capture prey, defend themselves, and compete for resources. These cells contain a coiled, barbed thread that can be rapidly ejected to entangle prey or fend off predators. Therefore, the correct answer to the question is option A: capturing prey. It is worth noting that cnidarians have a simple nervous system that allows them to sense their environment and respond to stimuli. For example, they can detect light, chemicals, and vibrations in the water. However, nematocysts are not used for sensing chemicals (option D) or for gas exchange (option C). Courtship (option B) is also not applicable to cnidarians, as they reproduce asexually or sexually by releasing gametes into the water. In conclusion, cnidarians use their nematocysts primarily for capturing prey, which is an essential aspect of their survival and ecological role in aquatic ecosystems.

Correct Answer: A. wind

Explanation

(a)(i) Agricultural marketing involves ail the activities re-quired to move farm produce from the producers (farmers) to the final consumers.

(ii) Channels of marketing farm produce are:

(1) Local markets where sellers and buyers are in close contact.

(2) Cooperative Societies which facilitate the flow of bulk sales and enhance the bargaining power of farmers.

(3) Commissioned agents who buy directly from the farmers in bulk and sell to marketing boards and exporters.

(4) Exporters who sell the commodities to overseas buyers (consumers).

(b) Four problems associated with marketing of farm produce by small scale farmers are:

(i) Inadequate stor-age facilities

(ii) Produce are perishable.

(iii) Transportation is grossly inadequate.

(iv) Poor prices of products.

Correct Answer: A. (x² - 1)^{-\(\frac{1}{2}\)}

Correct Answer: B. cost of production

Explanation

The manufacturing account forms an integral part of the revenue account of a manufacturing organization. It is prepared to know the cost of the goods manufactured or to ascertain the amount of any profit on the manufacturing process i.e the cost of production.