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After a harvest, certain types of plants are preferably grown on the land to replenish the depleted nutrients in the soil.

Given below is a pictorial representation of a clock with a plant name at different time coordinates. Select the correct option with the time which represents the plant(s) used to replenish the nutrients of soil after a harvest. (Assume that the minute hand is always at 12; for example - neem represents 2:00).

Thick walled, highly resistant spores produced within the bacterial cells are

Question 22

The dead element present in the phloem is



(a) companion cells

(b) phloem fibres

(c) phloem parenchyma

(d) sieve tubes

Match the terms given in Column I with the statements given in Column II.

$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{(a) Weaving}& \text{(i) A single yarn used to make fabric}\\ \text{(b) Knitting}& \text{(ii) Combing of cotton fibres to remove seeds}\\ \text{(c) Spinning}& \text{(iii) Yarns are made from these thin strands}\\ \text{(d) Ginning}& \text{(iv) These are spun from fibres and then used to make fabrics}\\ \text{(e) Fibre}& \text{(v) Process of arranging two sets of yarns together to make a fabric}\\ \text{(f) Yarn}& \text{(vi) Process of making yarn from fibres}\end{array}$

Allergies can be best described as:

Which of the following is the storage unit of food in amoeba?

Fruits derived from a single flower with more than one ovary are ___.

निम्नलिखित प्रश्न का उत्तर एक-दो पंक्तियों में दीजिए −

साधारण से साधारण आदमी तक के दिल में क्या बात अच्छी तरह घर कर बैठी है?

What is the percentage of carbon dioxide in exhaled air?

Observe Figure 11.2 and answer the given questions:

(a) Name the instrument.
(b) Label the parts A, B and C.

A person sleeping under the tree during night feels lethargic when he wakes up in the morning. What could be the possible reason?

Read the following statements and choose the correct option.

Statement 1: Louis Pasteur developed the process of pasteurisation.

Statement 2: Pasteurisation destroys all the nutrients present in milk.

Name the special roots by which Cuscuta derives nutrition from the host plant.

Explain the role of haemoglobin in the transport of gasses during respiration

What is nutrition

Which instrument is able to predict storm?

Which of the following substances cause eczema?

What are true for the collagen fibres?

Which of the following systems are found in echinoderms?

Which of the following group of minerals is required by our body?

Palaemon (prawn) has an open circulatory system and has jointed legs. Which group does it belong to?

What is the difference between sexual reproduction and asexual reproduction

What is the respiratory organ of man? ( Nose or lungs?)

Mosses reproduce through.

Which of the following microorganisms do NOT have a cell wall?

__ in India is rising at an alarming rate.

The shape of the cocci bacteria is

Name the special chamber at the posterior end of the rectum into which the canals of the excretory system and genital system open?

Which part of flower becomes seeds?

Which one of the following has its own DNA?

What are enzyme lipases and cellulase secreted by fungi ?

Which of the following fixes atmospheric nitrogen into the soil?

The structural and functional unit of the nervous system is___.

The climate in the tropical region is generally:

The condition shown in the figure below is called ___ dentition.

Asexual reproduction needs how many parents?

The scientific name of duck is__.