Horticulture - Study Mode

[#71] Economic part in Senna is
Correct Answer

(C) Both A and B

Explanation

Solution: The economic part of Senna is both leaf and pods. Senna is an herb. The leaves and the fruit of the plant are used to make medicine. When cultivated as a medicinal herb, the plants are cut down semi-annually, dried in the sun, stripped, and packed in palm-leaf bags. Senna contains many chemicals called sennosides. Sennosides irritate the lining of the bowel, which causes a laxative effect.

[#72] Potato contains following amount of Vitamin-C (mg per hundred grams of edible portion).
Correct Answer

(B) 17

Explanation

Solution: Potato contains 17 mg of Vitamin-C, per hundred grams of edible portion. Potato is a major world food crop and by far the most important vegetable crop in terms of quantities produced and consumed worldwide. It is popularly known as the “Vegetable King”. It is low in fat content (0.1%) but rich in several micronutrients, especially vitamin C. Potato is a moderate source of iron, and its high vitamin C content promotes iron absorption.

[#73] Characteristics of apomictic seedlings are
Correct Answer

(A) True to type

Explanation

Solution: Characteristics of apomictic seedlings are True to type. Apomixis is an asexual means of plant reproduction and is found in many species, especially in fruit crops. The process does not involve the union of male and female gametes and therefore there is no genetic recombination. Apomictic seedlings are identical to the mother plant and similar to plants raised by other vegetative means because such plants have the same genetic make-up as that of the mother plant.

[#74] Symptoms of calcium deficiency in plants is 1 st noticed in
Correct Answer

(C) Terminal leaves

Explanation

Solution: Symptoms of calcium deficiency in plants are 1 st noticed in terminal leaves . Symptoms of calcium deficiency first appear on younger leaves and tissues, growth is inhibited, and plants have a bushy appearance. The youngest leaves are usually small and misshapen with brown chlorotic spots developing along the margins, which spread to eventually unite in the centre of the leaves.

[#75] King of Spices is
Correct Answer

(A) Black pepper

Explanation

Solution: King of Spices is Black pepper . Black pepper (Piper nigrum) is known as the "King of Spices" because of its strong aroma and is widely used in all major cuisines around the world. Black pepper is cultivated for its fruit which is usually dried and then used as a spice or seasoning known as a peppercorn.