MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 3601. |
A place of collection of dried plant specimens is———— |
| A. | Arbarium |
| B. | Herbarium |
| C. | Botanical Garden |
| D. | All above |
| Answer» C. Botanical Garden | |
| 3602. |
Which apparatus is used for measurement of growth ? |
| A. | Auxanometer |
| B. | Potometer |
| C. | Photometer |
| D. | Hydrometer |
| Answer» B. Potometer | |
| 3603. |
Spiral developement of tendrils? (BHU 1989, CBSE 1999, 1995), (MPPMT 1992, CPMT 1993) ( CETCHO 2000,AIIMS 2000) (JK CMEE 2004) |
| A. | Thigmotropism |
| B. | Thermotropism |
| C. | Hydrotropism |
| D. | Phototropism |
| Answer» B. Thermotropism | |
| 3604. |
What is the maximum period of growth ? |
| A. | Slow growth rate |
| B. | Steady growth rate |
| C. | Speedy growth rate |
| D. | Senescence phase |
| Answer» D. Senescence phase | |
| 3605. |
What is the main origin of cytokinin? |
| A. | Stem apex |
| B. | Root apex |
| C. | Young leaves |
| D. | Lateral buds |
| Answer» C. Young leaves | |
| 3606. |
Which of the following is used to enhance colour of fruits and more juice in fruits unnaturally? |
| A. | Sodium chloride |
| B. | IAA |
| C. | Ethylene gas |
| D. | kinetin |
| Answer» D. kinetin | |
| 3607. |
Mention the effect of cytokinin |
| A. | It induces cell division and retards the process of senescence |
| B. | It maintains dormancy |
| C. | It induces senescence |
| D. | It inhibits cell division |
| Answer» B. It maintains dormancy | |
| 3608. |
What is the period of cell formation to cell differntiation ? |
| A. | Sigmoid graph |
| B. | Normal growth period |
| C. | Maximum growth period |
| D. | Grand period of growth |
| Answer» E. | |
| 3609. |
Ethylene is responsible for |
| A. | Flowering |
| B. | Disease in roots |
| C. | Ripping of fruits |
| D. | Formation of fruits |
| Answer» D. Formation of fruits | |
| 3610. |
Zeatin is an example of |
| A. | ABA |
| B. | Auxin |
| C. | Gibberrellin |
| D. | Cytokinin |
| Answer» E. | |
| 3611. |
Which of the following physiological process performed by gibberrelic acid? |
| A. | Dwarfism of tall plant genetically |
| B. | Elongation of short plant genetically |
| C. | Growth in size of stem and root formation |
| D. | Yellowing of young leaves |
| Answer» D. Yellowing of young leaves | |
| 3612. |
Which type of growth is seen in plants? |
| A. | Irreversible |
| B. | Increase in volume |
| C. | Local |
| D. | Reversible |
| Answer» B. Increase in volume | |
| 3613. |
Which of the following sustance is not related with initiation of growth ? |
| A. | ABA |
| B. | Gibberrelin |
| C. | IAA |
| D. | Cytokinin |
| Answer» B. Gibberrelin | |
| 3614. |
Tropic movement is due to |
| A. | Bidirectional effect of environmental factors on plant parts |
| B. | Unidirectional effect of environmental factors on plant parts |
| C. | Multidirectional effect of environmental factors on plant parts |
| D. | No effect of environmental factors on plant parts |
| Answer» C. Multidirectional effect of environmental factors on plant parts | |
| 3615. |
In the absence of light, amount of which of the following is increased ? |
| A. | Absorption of mineral salt |
| B. | Absorption of water |
| C. | Elongation of internodes |
| D. | Ascent of sap |
| Answer» D. Ascent of sap | |
| 3616. |
With which reaction Phytochrome is associated ?(AIMS- 1989, 1990, CBSE 1988, BHU 1981, 1991) |
| A. | Phototropism |
| B. | Photorespiration |
| C. | Photo-period |
| D. | Geotropism |
| Answer» D. Geotropism | |
| 3617. |
Gibberrelin participate in which of the following process? |
| A. | Removal of seed dormancy |
| B. | Developing seed less fruit |
| C. | Growth of internodes |
| D. | All of the above |
| Answer» E. | |
| 3618. |
Oat - coleoptile test (coleoptile-test) is conducted for which hormone ? |
| A. | Abscisic acid |
| B. | Gibberrelic acid (GA) |
| C. | Indole acetic acid (IAA) |
| D. | Indole naphthalne acetic acid (INAA) |
| Answer» D. Indole naphthalne acetic acid (INAA) | |
| 3619. |
Which hormone is responsible for apical dominance? |
| A. | Auxin |
| B. | Cytokinin |
| C. | Gibberrelin |
| D. | Ethylene |
| Answer» B. Cytokinin | |
| 3620. |
What is the cause of `Bakane’ disease? |
| A. | Fungi |
| B. | Algae |
| C. | Bacteria |
| D. | Virus |
| Answer» B. Algae | |
| 3621. |
What is the required temperature for growth in most of the plants? |
| A. | 20-30 o C |
| B. | 35-40 o C |
| C. | 10-15 o C |
| D. | 15-20 o C |
| Answer» B. 35-40 o C | |
| 3622. |
Which group is correct for the growth inducer hormone ? |
| A. | IAA, ABA and cytokinin |
| B. | IAA, Gibberrelin, ABA |
| C. | IAA, Gibberrelin, cytokinins |
| D. | ABA, Ethylene |
| Answer» D. ABA, Ethylene | |
| 3623. |
Which of the following stimulates growth in the internode region ? |
| A. | Auxin |
| B. | Gibberrelin |
| C. | Cytokinin |
| D. | Abscisic acid |
| Answer» C. Cytokinin | |
| 3624. |
Which substances are secreted at the apex of plant and they regulates growth of another region ? |
| A. | Enzyme |
| B. | Hormones |
| C. | Vitamins |
| D. | None of the above |
| Answer» C. Vitamins | |
| 3625. |
Which one of the taxonomic aids can give comprehensive account of complete complied information of any one genus or family at a particular time |
| A. | Taxonomic key |
| B. | Flora |
| C. | Herbarium |
| D. | Monograph |
| Answer» E. | |
| 3626. |
Who provide ecological, economical and ethnobotanial data of any plant species? |
| A. | Botanical garden |
| B. | Herbarium |
| C. | Zoological park |
| D. | Photographs |
| Answer» C. Zoological park | |
| 3627. |
Where the New york Botanical Garden is located? |
| A. | Briton |
| B. | U.S.A. |
| C. | USSR |
| D. | UAE |
| Answer» C. USSR | |
| 3628. |
Ethnogallary is a part of————— |
| A. | Herbarium |
| B. | parks |
| C. | Botanical garden |
| D. | Museum |
| Answer» E. | |
| 3629. |
Who provides key for the preparation of modern system of classification? |
| A. | Zoological park |
| B. | Herbarium |
| C. | Museum |
| D. | Botanical garden |
| Answer» C. Museum | |
| 3630. |
Where dry specimen of plants preserved? |
| A. | Herbarium |
| B. | Botanical garden |
| C. | Glass house |
| D. | National park |
| Answer» B. Botanical garden | |
| 3631. |
Find the correct statements for the following |
| A. | A,B,C |
| B. | A,B,D |
| C. | B,C,D |
| D. | A,C,D |
| Answer» C. B,C,D | |
| 3632. |
What is used for drying plant specimens? |
| A. | Filter paper |
| B. | Blotting paper |
| C. | Parchment paper |
| D. | Cellophone paper |
| Answer» C. Parchment paper | |
| 3633. |
“Specific preservative chemicals for preservation are sprayed on plant specimen”. This process is known as ————— |
| A. | Pressing |
| B. | Poisoning |
| C. | Drying |
| D. | Mounting |
| Answer» C. Drying | |
| 3634. |
The zoological parks are working under supervision of ——————— |
| A. | ICZN |
| B. | IABG |
| C. | ICBN |
| D. | CZA |
| Answer» E. | |
| 3635. |
Who promote the eco-tourism? |
| A. | Zoological park |
| B. | Herbarium |
| C. | Botanical park |
| D. | Museum |
| Answer» B. Herbarium | |
| 3636. |
Pick out the correct statements |
| A. | Animal fossil specimens are collected in the museum only |
| B. | Zoological parks are being run and managed by both private and government organizations |
| C. | Flora and fauna of various geographical regions can be prepared through animal taxonomic study |
| D. | Plants from other regions are grown in botanical garden for identification purpose |
| Answer» C. Flora and fauna of various geographical regions can be prepared through animal taxonomic study | |
| 3637. |
Where the Herbarium of forest research is located? |
| A. | Pari |
| B. | Kew |
| C. | Kolkata |
| D. | Dehradun |
| Answer» E. | |
| 3638. |
Assertation (A) Botanical gardens are different from public park and gardens Reason (R) Plant species in botanical garden are grown for identification purpose |
| A. | A and R both are true and R is correct explanation of A |
| B. | A and R both are true and R is not correct explanation of A |
| C. | If A is true and R is wrong |
| D. | If A is wrong and R is true |
| Answer» B. A and R both are true and R is not correct explanation of A | |
| 3639. |
Who provide information regarding animal behavior, adaptation, nutrition, evolution and ecology? |
| A. | Herbarium |
| B. | Zoological park |
| C. | Museum |
| D. | Ethenogalllary |
| Answer» C. Museum | |
| 3640. |
Where the Lyoid Botanical Garden is situated? |
| A. | Cheenai |
| B. | Darjilling |
| C. | Luckhnow |
| D. | Shibipur |
| Answer» C. Luckhnow | |
| 3641. |
Select mismatch option |
| A. | Centriole 9 + 0 |
| B. | Cillia 9 + 2 |
| C. | Fimbriae Conjugation |
| D. | middle lamella Lignin |
| Answer» E. | |
| 3642. |
How many botanical gardens are documented in “IABG”? |
| A. | 80 |
| B. | 800 |
| C. | 8000 |
| D. | 8 |
| Answer» C. 8000 | |
| 3643. |
Match the following with correct combination |
| A. | A-p, B-r, C-q, D- |
| B. | A-s, B-p, C-q, D-r |
| C. | A-q, B-r, C-s, D-p |
| D. | A-q, B-p, C-s, D-r |
| Answer» E. | |
| 3644. |
In the following which sentance is false? (JIPMER-2002) |
| A. | Lysosome possesses double layer structure. |
| B. | Lysosome is a suicidal bag. |
| C. | Lysosome digests all macromolecules. |
| D. | Lysosome possesses hydrolase enzyme. |
| Answer» B. Lysosome is a suicidal bag. | |
| 3645. |
The plasma membrane is made up of ________ . (JKCET-2001) |
| A. | Protein and lipid |
| B. | Only lipid |
| C. | Carbohydrate and lipid |
| D. | Carbohydrate and protein |
| Answer» B. Only lipid | |
| 3646. |
Where the British museum of Royal Botanical Garden is located? |
| A. | Pari |
| B. | Kew |
| C. | Kolkata |
| D. | Dehradon |
| Answer» C. Kolkata | |
| 3647. |
What is correct about Fluid-mosaic model? (JKCMET-2004) |
| A. | A lipid bilayer and protein included in it. |
| B. | Above protein layer,one layer of phospholipid is present |
| C. | Above protein layer,two layer of phospholipid is present |
| D. | Protein bilayer and phospholipid is included isn it. |
| Answer» B. Above protein layer,one layer of phospholipid is present | |
| 3648. |
Smooth endoplasmic recticulum is a synthesis site of which substance? (Kerala PMT-2002) |
| A. | Lipid |
| B. | Protein |
| C. | Carbohydrate |
| D. | Nucleic acid |
| Answer» B. Protein | |
| 3649. |
Where the Chlorophyll is present in chloroplast? (CBSE-2005) |
| A. | In thyllakoi |
| B. | In Stroma |
| C. | In grana and stroma |
| D. | In outer membrane |
| Answer» B. In Stroma | |
| 3650. |
In plant cell vacuole is _______ . (CBSE-2008) |
| A. | Membrane bound structure which stores various substance and excrete them. |
| B. | Without membranous structure. |
| C. | Without membranous structure which stores protein and lipid |
| D. | With membranous structure which stores protein and lipid. |
| Answer» B. Without membranous structure. | |