Question 511 MarkWhat is epiblema?AnswerEpiblema is the outermost covering of the root forming by single layer of compactly arranged parenchyma cells.View full question & answer→
Question 521 MarkIs sieve tubes unicellular or multicullular?AnswerSieve tube is multicellular.View full question & answer→
Question 531 MarkWhat is location and function of companion cells?AnswerCompanion cells are found associated with sieve tubes and helps in conduction of food.View full question & answer→
MCQ 541 MarkThe features that best describe the cells of parenchyma cells are:ADead cells, thick walled, no inter cellular.BLiving cells, thin$-$walled, no intercellular spaces.CDead cells, thin$-$walled, large intercellular spaces.✓Living cells, thin$-$walled, large intercellular spaces.AnswerCorrect option: D. Living cells, thin$-$walled, large intercellular spaces.Parenchyma cells are living and thin walled. They are oval, spherical or polygonal in shape. They have large, intercellular space between the cells.View full question & answer→
Question 551 MarkWhat is mesophyll?AnswerThe tissue of a leaf that is found in between upper and lower epidermis is the mesophyll.View full question & answer→
Question 561 MarkName the muscle which is commonly found in visceral organs.AnswerSmooth muscle or unstriated muscle is commonly found in visceral organs.View full question & answer→
Question 571 MarkIn which type of plants arenchyma is found? Give example.AnswerIn aquatic plants, large air cavities are present in parenchyma to give buoyancy to the plants to help them float. Such a parenchyma type is called aerenchyma.View full question & answer→
Question 581 MarkWhich tissue is commonly known as “packaging tissue”?AnswerAreolar tissue is commonly known as packaging tissue. It is basic type of connective tissue present all over in the body.View full question & answer→
Question 591 MarkWhich type of simple tissue of plants os used for making ropes?AnswerSclerenchyma is a type of simple permanent tissue which is used for making ropes.View full question & answer→
Question 601 MarkWhat type of tissue is tendon?AnswerTendon is a form of connective tissue.View full question & answer→
Question 611 MarkWhich tissue protects entire animal body?AnswerEpithelial tissue is the simplest animal tissue which composed of one or more layer of cells. This tissue protects the entire animal body.View full question & answer→
Question 621 MarkGive one way in which it differs from parenchymatous cells.AnswerSclerenchyrna fibres are thick walled dead cells while parenchyma cells are thin walled living cells.View full question & answer→
Question 631 MarkWhat chemical substance is deposited in the secondary wall of sclerenchyma?AnswerLignin, a chemical substance is deposited in the secondary wall of sclerenchyma.View full question & answer→
Question 641 MarkHow many types of conducting tissues are found in plants?AnswerTwo types of conducting tissues are found in plants- Xylem and Phloem.View full question & answer→
Question 651 MarkWhere can one find meristematic tissues in plants?AnswerMeristematic tissues are found in apical, intercalary and lateral positions in plants.View full question & answer→
Question 661 MarkWhat is another name of cork?AnswerThe another name of cork is phellem.View full question & answer→
Question 671 MarkName the muscle fibre which contains intercalated discs.AnswerCardiac muscle fibre contains intercalated discs.View full question & answer→
Question 681 MarkWhich type of connective tissue is present in hump of camel and blubber of whale?AnswerAdipose tissue is also known as fat storing tissue. It is present in hump of camel and blubber of ehale.View full question & answer→
Question 691 MarkWhat is the main function of parenchyma?AnswerThe main function of parenchyma is to provide support to the plant and also store food.View full question & answer→
Question 701 MarkWhat type of tissues are more abundant in plants?Answer Parenchyma tissues are the most abundant tissues found in plants.View full question & answer→
Question 711 MarkWhere is squamous epithelium found?AnswerIt is found in the alveoli of lungs and blood vessels.View full question & answer→
Question 721 MarkWhich one is main mechanical tissue of the plants?AnswerSclerenchyma is the main mechanical tissue of the plants. It provides strength to the plants and enables them to withstand various strains.View full question & answer→
Question 731 MarkWhat is other name of cork cambium?AnswerThe other name of cork cambium is phellogen.View full question & answer→