Home
Class 11
BIOLOGY
Mineral salts are translocated through (...

Mineral salts are translocated through (i) along with the (ii) stream of water, which is pulled up through the plant by the transpirational pull. Fill up the blanks in the given statement and select the correct option

A

(a) `{:("(i)","(ii)"),("xylem","ascending"):}`

B

(b) `{:("(i)","(ii)"),("xylem","descending"):}`

C

(c) `{:("(i)","(ii)"),("phloem","ascending"):}`

D

(d) `{:("(i)","(ii)"),("phloem","descending"):}`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

In pteridophytes, main plant body is _(i)__, which is __(ii)__ into true roots, stem and leaves fill the blanks in above statements and select the correct option

Grafting is the union between two plants of closely related varieties. Following are some statements regarding different types of grafting. (i) An oblique cut followed by a notch is given to both stock and scion. (ii) Scion is a bud with a small piece of bark and cambium. (iii) Both stock and scion are of same diameter. (iv) Stock has many times more diameter than scion. Identify the type of grafting with respect to these statements and select the correct option.

During nodule formation in leguminous plants, an infection thread is produced carrying the __(i)__ into the __(ii)__ of the root, where they initiate the nodule formation in the __(iii)__ of the root. Fill up the blanks by choosing the correct option.

Read the given statements. (i) Outer exine is made up of sporopollenin. (ii) Inner intine is pecto-cellulosic in nature (iii) Generative cell is bigger and contains abundant food reserve (iv) Vegetative cell is small and floats in the cytoplasm of the generative cell. Which of the given statements are not true regarding structure of pollen grain?

The given flow chart depicts the steps to transfer a desirable gene of interest into a plant. Identify the missing steps (A,B and C) with regard ot following statements and select the correct option. (i) Joining of desirable gene to a suitable cloning vector using ligases to create a recombinant DNA molecule. (ii) Selection of transformed cells. (iii) Transferring the recombinant DNA molecules to teh target cells.

A 'type' is one particular specimen (or a group of specimens) of an organism to which the scientific name of that organism is formally attached. Match colum I (type) with colum II (description) and select the correct option from the codes given below. {:(,"Colum I",,"Column II"),(A.,"Holotype",(i),"A specimen cited with original description other than the holotype or isotype"),(B.,"Isotype",(ii),"A duplicate of the holotype"),(C.,"Paratype",(iii),"A specimen designated in the original designated in the original description"),(D.,"Lectotype",(iv),"A specimen selected from original material to serve as nomenclatural type when the holotype was not designated"):}

Fill up the blanks in the following paragraph by selecting the correct option. During copulation (coitus) semen is released by the penis into the vagina and is called (i)._____.the ovum released by the ovary is transported to the (ii)._____where (iii).______takes place during fertilisation, a sperm comes in contact with the zona pellucida layer of the ovum and induces changes in the membrane that block the entry of (iv)._____The secretions of the (v)._____help the sperm enter into the cytoplasm of the ovum.

Study the following statements and select the incorrect ones. (i) Physical removal of large and small particles through filtration and sedimentation is called primary sewage treatment. (ii) Secondary sewage treatment is mainly a mechanical process. (iii) Activated sludge sediment in a sewage treatment plant is a rich source of aeroic bacteria. (iv) Biogas, commonly called as gobar gas, is pure methane.

Study the following statements and select the incorrect ones. (i) Pyramids of energy and yearly biomass production can never be inverted, since this would violate the laws of thermodynamics. (ii) Pyramids of standing crop and numbers can be inverted, since the number of organisms at a time does not indicate the amount of energy flowing through the system. (iii) There are certain limitations of ecological pyramids such as they do not take into account the same species belonging to two or more trophic levels. (iv) Saprohytes are not given any place in ecological pyramids even though they play a vital role in the ecosystem.

Given below are the three statements each with one or two blanks. Select the option which correctly fills up of the blank in any two statements. A. Inbreeding helps in accumulation of ul(i) and elimination of ul(ii) . B. In MOET a cow is administered hormones, with ul(i) like activity, to induce follicular maturation and super ovulation. C. Hisardale is a new breed of sheep developed in Punjab by crossing ul(i) and ul(ii) .