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BiologyClass 10CBSE

What is tissue?

In biology, a tissue is a group of similar cells that work together to perform a specific function.Cells are the building blocks tissues are the walls built from those blocks.Four main types of animal tissue:Tissue TypeFunctionExamplesEpithelial tissueCovers body surfaces, lines organs, forms glandsSkin, stomach lining, lung lining<t

BiologyClass 10CBSE

What are living things?

Living things (organisms) share seven defining characteristics that distinguish them from non-living matter:Organization: Made of cells; ordered complex structures from molecular to organism levelMetabolism: Carry out chemical reactions to obtain and use energyGr

BiologyClass 10CBSE

What is the order of most important to least important organs in the digestive system?

Ranked by how severely and immediately failure affects survival:RankOrganWhy1Small intestineResponsible for 90%+ of all nutrient absorption; without it, the body starves2LiverProcesses absorbed nutrients, detoxifies blood, produces bile; failure is rapidly fatal3StomachBegins protein digestion and kills pat

BiologyClass 10CBSE

How does the human digestive system work, and what are its main organs?

The digestive system breaks food into molecules small enough for the body to absorb. It uses two types of digestion:Mechanical: Physical breakdown chewing, churningChemical: Enzyme and acid breakdown of proteins, carbohydrates, and fatsThe journey of food:<li data-list-item-id="e54f6b3e1eeff4bc2

BiologyClass 10CBSE

How many different species of monkey are there? What are the differences between monkeys and humans?

Species count: Approximately 334 (see above).Differences between monkeys and humans:FeatureMonkeysHumansBrain sizeSmaller relative to bodyMuch larger relative to bodyBipedalismWalk on all foursWalk upright on two legsTailMost have tailsNo tailLangua

BiologyClass 10CBSE

How many types of monkeys are there in the world?

There are approximately 334 known species of monkeys, divided into two major groups:GroupRegionSpeciesKey FeatureOld World Monkeys (Cercopithecidae)Africa, Asia~138Narrow nostrils, some have cheek pouchesNew World Monkeys (Platyrrhini)Central & South America~196Flat, broad nostrils; some have prehensile tails</t

BiologyClass 10ICSE

An animal having double circulation in a three-chambered heart is: (a) fish (b) snake (c) deer (d) sparrow

Snake

BiologyClass 10ICSE

In autotrophs, water is transported through: (a) root hair (b) phloem (c) stomata (d) xylem

Xylem

BiologyClass 10ICSE

The wave of expansion of an artery when blood is forced into it is called: (a) flow (b) heartbeat (c) pulse (d) ticking

pulse

BiologyClass 10ICSE

The cells in our blood which destroy disease-causing germs, are: (a) platelets (b) skin cells (c) RBCs (d) WBCs

(d) WBCs

BiologyClass 10ICSE

The excretory organs in an earthworm are: (a) nephridia (b) nephrons (c) raphides (d) ureters

nephridia

BiologyClass 10ICSE

The procedure of cleaning the blood of a person by using a kidney machine is known as: (a) ketolysis (b) hydrolysis (c) dialysis (d) photolysis

(c) dialysis

BiologyClass 10ICSE

The excretory unit in the human excretory system is called: (a) nephron (b) neuron (c) nephridia (d) kidneyon

nephron

BiologyClass 10ICSE

The substance which is not reabsorbed into the blood capillaries surrounding the tubule of a nephron is mainly: (a) glucose (b) amino acid (c) urea (d) water

(c) urea

BiologyClass 10ICSE

The blood vessel which carries oxygenated blood from the lungs to the heart is: (a) main artery (b) pulmonary artery (c) main vein (d) pulmonary vein

(d) pulmonary vein

BiologyClass 10ICSE

Coagulation of blood in a cut or wound is brought about by: (a) plasma (b) platelets (c) WBC (d) RBC

platelets

BiologyClass 10ICSE

Which of the following is accomplished in a plant by utilizing the energy stored in ATP? (a) transport of food (b) transport of water and minerals (c) transport of oxygen (d) transport of water, minerals and food

transport of food

BiologyClass 10ICSE

Which one of the following does not have valves? (a) heart (b) arteries (c) capillaries (d) veins

(c) capillaries

BiologyClass 10ICSE

Which of the following helps in the upward movement of water and dissolved minerals from the roots to the leaves through the stem? (a) transportation (b) translocation (c) tropic movement (d) transpiration

(d) transpiration

BiologyClass 10ICSE

Which of the following is the only conducting tissue in non-flowering plants? (a) xylem vessels (b) sieve tubes (c) companion cells (d) tracheid’s

tracheids

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