1512 + Interview Questions in Biology in Class 9 Page 9 InterviewSolution

401.	Question : The term nucleoid is used for underfined nuclear region of
Answer» Amoeba Prokaryotes eukaryotes yeast Answer :B

Discussion

402.	Question : The tail-like cylindrical process of a nerve cell is called
Answer» CYTON DENDRON DENDRITE axon Answer :D

Discussion

403.	Question : The system of scientific naming (nomenclature) was introduced for the first time by............
Answer» SOLUTION :LINNAEUS

Discussion

404.	Question : The symptoms of the disease depend upon the tissue or organ that has been made target by microbes (pathogens).
Answer» Solution :If LUNGS have been MADE target, then symptoms would be of common cold, TB. If liver has been made target, then symptoms would be of jaundice. If RBCs are have been made target, then symptoms would be of malaria. If gut lining (digestive tract) has been made target, the symptoms would be of typhoid. If BRAIN has been made target, then symptoms would be of Japanese encephalitis. Hence, the symptoms of the disease depend upon the tissue or ORGAN that has been made target by microbes (pathogens).

Discussion

405.	Question : The symbiotic association of fungi and vascular plants is...............
Answer» Lichen Rhizobium Mycorhizae Azotobacter Answer :C

Discussion

406.	Question : The structural and functional unit of the kidney is........................
Answer» Villi Liver Nephron Ureter Answer :C

Discussion

407.	Question : The sprouting of onion and potatoes can be delayed by the process of …………………..
Answer» FREEZING Irradiation Salting Canning Answer :B

Discussion

408.	Question : The small intestine of humans is about …………. Long.
Answer» ANSWER :5 to 6 METERS.

Discussion

409.	Question : The skeleton of shark is entirely made of cartilage.
Answer» ANSWER :T

Discussion

410.	Question : The skeletal framework of porifera is ……………
Answer» ANSWER :SPICULES

Discussion

411.	Question : The shoot system grows upward in response to …….
Answer» SOLUTION :NEGATIVE GEOTROPISM

Discussion

412.	Question : The scientist ......... coined the term 'protoplasm for the living substance of the cell. (Robert Brown, Crick, Purkinje)
Answer» SOLUTION :PURKINJE

Discussion

413.	Question : The scieintific name of rock honey is ……….
Answer» ANSWER :APIS dorsata

Discussion

414.	Question : The root of the plant is …….. . (i)positively phototropic but negatively geotropic (ii) positively geotropic but negatively phototropic (iii) negatively phototropic but positively hydrotropic (iv) negatively hydrotropic but positively phototropic
Answer» (i) and (II) (ii) and (III) (iii) and (IV) (i) and (iv) ANSWER :B

Discussion

415.	Question : The response of a plantpart towards gravity is …………
Answer» SOLUTION :GEOTROPISM

Discussion

416.	Question : The response of a plant part to the chemical stimulus is called phototropism.
Answer» Solution :FALSE CORRECT STATEMENT : The response of a plant PART to the chemical stimulus is CALLED chemotroism.

Discussion

417.	Question : The relative densityof gold is 19.3. The density of water is 103kg//m^(3). What is the density of gold in SI unit.
Answer» Solution :Realative DENSITY of gold `=("Density of gold")/("Density of WATER")` Therefore Density of gold `=` RELATIVE density of gold X Density of water `=19.3xx10^(3)kg//m^(3)` `=19300kg//m^(2)`

Discussion

418.	Question : The recruitment process of many cells to the affected tissue to kill off the disease causing microbes is called .........
Answer» ANSWER :INFLAMMATION

Discussion

419.	Question : The pupa of mosquito is called
Answer» tumbler grub maggot tadpole Answer :A

Discussion

420.	Question : The public cleanliness is important way to prevent the spread of infectious diseases.
Answer» Solution :If our LIVING conditions are made crowded, then AIRBORNE diseases can be spread widely. To prevent the spread of cholera causing MICROBES (Vibrio cholerae) through water, the drinking water should be clean and SAFE. It can be done by chlorinating water. To prevent the spread of disease by the VECTORS like mosquito, their breeding sites should be destroyed and keep surrounding clean and dry. Hence, the public cleanliness is important way to prevent the spread of infectious diseases.

Discussion

421.	Question : The public cleanliness is important for individual health.
Answer» Solution :If our living conditions are made crowded, then airborne diseases can be spread widely. To prevent the spread of cholera causing microbes (Vibrio cholerae) through water, the DRINKING water should be CLEAN and safe. It can be done by chlorinating water. To prevent the spread of disease by the vectors like mosquito, their breeding sites should be destroyed and keep surrounding clean and dry. Hence, the public cleanliness is important way to prevent the spread of INFECTIOUS diseases.

Discussion

422.	Question : The production and management of fist is called ...............
Answer» Pisciculture Sericulture Aquaculture Monoculture Answer :A

Discussion

423.	Question : The process of preparing manure with the help of earthworms and kitchen wastes is called
Answer» GREEN manuring manuring vermicomposting farming Answer :C

Discussion

424.	Question : The process of digestion begins from the …………….
Answer» ANSWER :MOUTH

Discussion

425.	Question : The process of affecting the natural composition and the quality of food substance is known as ……………….
Answer» SOLUTION :Foord SPOILAGE

Discussion

426.	Question : The proces of ………….. Will not take place in green plants at night.
Answer» SOLUTION :PHOTOSYNTHESIS

Discussion

427.	Question : The practice of ploughing green legume-bearing plants into the soil for improving its fertility is called
Answer» COMPOSTING vermicomposting plant BREEDING GREEN MANURING ANSWER :D

Discussion

428.	Question : The plumule is covered by a protective sheath called ……….. .
Answer» SOLUTION :COLEOPTILE

Discussion

429.	Question : The plants which have naked seeds belong to the group :
Answer» ANGIOSPERMS GYMNOSPERMS Algae Fungi SOLUTION :Gymnosperms

Discussion

430.	Question : The plants respond to gravity and are termed as ……… .
Answer» SOLUTION :GEOTROPISM

Discussion

431.	Question : The plants of which division are known as amphibians of the plant kingdom?
Answer» SOLUTION :BRYOPHYTA

Discussion

432.	Question : The plants of group ........ are the first to have specialised tissue for conduction of water and other substances
Answer» SOLUTION :PTERIDOPHYTA

Discussion

433.	Question : The plant cell wall is mainly composed of.....
Answer» SOLUTION :CELLULOSE

Discussion

434.	Question : The plant body of mushroom is ................
Answer» Spawn Mycelium Leaf All of these. Answer :C

Discussion

435.	Question : The physician who discovered that Scurvy can be cured by ingestion of citrus fruit is ………………..
Answer» James LIND Louis PASTEUR Charles Darwin ISAAC Newton Answer :A

Discussion

436.	Question : The phathogens causing typhoid are found in digestive tract.
Answer» ANSWER :TRUE

Discussion

437.	Question : The person suffering from HIV- infection sometimes meets with death.
Answer» Solution :After the HIV-infection, the HIV enter the immune system of the body, CAUSE damage to it and inhibit its functioning. That is why the person suffering from AIDS is unable to fight against other minor infections. e.g., Slight infection of COMMON COLD gets transformed into pneumonia. Slight infection in the intestinal tract gets transformed into severe diarrhoea. Thus, it becomes difficult for the patient of AIDS to PROTECT himself against infections and ultimately he meets with death due to other infections.

Discussion

438.	Question : The penicillin blocks the bacterial process that build the………
Answer» ANSWER :CELL WALL

Discussion

439.	Question : The oxygen needed for the oxidation of glucose is absorbed from…..
Answer» ANSWER :ATMOSPHERIC AIR

Discussion

440.	Question : The other name for thigmonasty is ……… .
Answer» SOLUTION :Seismonasty

Discussion

441.	Question : The other name for Geotropism is ………… .
Answer» SOLUTION :GRAVITROPISM

Discussion

442.	Question : The organs which spiders use for spinning webs are called
Answer» spiracles spicules spinneretes carapaces Answer :C

Discussion

443.	Question : The organic manure are of utmost importance in farming.
Answer» Solution :The organic manure: 1. Add nutrients in the soil and make it FERTILE. 2. Add organic substance in the soil. 3. Increase the moisture holding capacity of the soil. 4. Increase the draining capacity of black soil. 5. Provide food for the soil bacteria. 6. Using biological waste material is a way of recylcling FARM waste. Hence, the organic maures are of utmost importance infarming.

Discussion

444.	Question : The organelle responsible for exchange of some materials is ......... (cell wall, mitochondrion, nuclear membrane)
Answer» SOLUTION :NUCLEAR MEMBRANE

Discussion

445.	Question : The only cell organelle seen in prokaryotic cell is
Answer» mitochondria ribosomes plastids lysosomes Answer :B

Discussion

446.	Question : The nutrient required in trace amounts to accomplish various body functions is …………………
Answer» CARBOHYDRATE PROTEIN Vitamin FAT ANSWER :C

Discussion

447.	Question : The nuclear region of prokaryotic cells is calledâ€¦â€¦â€¦â€¦..
Answer» Nucleosome Nucleoid Nucleus All of the above Answer :A

Discussion

448.	Question : The non-directional movement of a plant part in response to temperature is called……………….
Answer» themotropism thermonasty chemotropism thingmonasty Answer :B

Discussion

449.	Question : The muscular and sensory organ which helps in mixing the food with saliva is .......................
Answer» ANSWER :TONGUE

Discussion

450.	Question : The most outstanding feature of arthropods is :
Answer» BILATERALLY SYMMETRICAL body closed CIRCULATORY system jointed legs spiny-skinned body Answer :C

Discussion

Explore topic-wise InterviewSolutions in .

Question : The term nucleoid is used for underfined nuclear region of

Question : The tail-like cylindrical process of a nerve cell is called

Question : The system of scientific naming (nomenclature) was introduced for the first time by............

Question : The symptoms of the disease depend upon the tissue or organ that has been made target by microbes (pathogens).

Question : The symbiotic association of fungi and vascular plants is...............

Question : The structural and functional unit of the kidney is........................

Question : The sprouting of onion and potatoes can be delayed by the process of …………………..

Question : The small intestine of humans is about …………. Long.

Question : The skeleton of shark is entirely made of cartilage.

Question : The skeletal framework of porifera is ……………

Question : The shoot system grows upward in response to …….

Question : The scientist ......... coined the term 'protoplasm for the living substance of the cell. (Robert Brown, Crick, Purkinje)

Question : The scieintific name of rock honey is ……….

Question : The root of the plant is …….. . (i)positively phototropic but negatively geotropic (ii) positively geotropic but negatively phototropic (iii) negatively phototropic but positively hydrotropic (iv) negatively hydrotropic but positively phototropic

Question : The response of a plantpart towards gravity is …………

Question : The response of a plant part to the chemical stimulus is called phototropism.

Question : The relative densityof gold is 19.3. The density of water is 103kg//m^(3). What is the density of gold in SI unit.

Question : The recruitment process of many cells to the affected tissue to kill off the disease causing microbes is called .........

Question : The pupa of mosquito is called

Question : The public cleanliness is important way to prevent the spread of infectious diseases.

Question : The public cleanliness is important for individual health.

Question : The production and management of fist is called ...............

Question : The process of preparing manure with the help of earthworms and kitchen wastes is called

Question : The process of digestion begins from the …………….

Question : The process of affecting the natural composition and the quality of food substance is known as ……………….

Question : The proces of ………….. Will not take place in green plants at night.

Question : The practice of ploughing green legume-bearing plants into the soil for improving its fertility is called

Question : The plumule is covered by a protective sheath called ……….. .

Question : The plants which have naked seeds belong to the group :

Question : The plants respond to gravity and are termed as ……… .

Question : The plants of which division are known as amphibians of the plant kingdom?

Question : The plants of group ........ are the first to have specialised tissue for conduction of water and other substances

Question : The plant cell wall is mainly composed of.....

Question : The plant body of mushroom is ................

Question : The physician who discovered that Scurvy can be cured by ingestion of citrus fruit is ………………..

Question : The phathogens causing typhoid are found in digestive tract.

Question : The person suffering from HIV- infection sometimes meets with death.

Question : The penicillin blocks the bacterial process that build the………

Question : The oxygen needed for the oxidation of glucose is absorbed from…..

Question : The other name for thigmonasty is ……… .

Question : The other name for Geotropism is ………… .

Question : The organs which spiders use for spinning webs are called

Question : The organic manure are of utmost importance in farming.

Question : The organelle responsible for exchange of some materials is ......... (cell wall, mitochondrion, nuclear membrane)

Question : The only cell organelle seen in prokaryotic cell is

Question : The nutrient required in trace amounts to accomplish various body functions is …………………

Question : The nuclear region of prokaryotic cells is calledâ€¦â€¦â€¦â€¦..

Question : The non-directional movement of a plant part in response to temperature is called……………….

Question : The muscular and sensory organ which helps in mixing the food with saliva is .......................

Question : The most outstanding feature of arthropods is :