Which of the following shows heterothallism? (a) Rhizopus (b) Cycas (c) Bacterium (d) Ricinus

Which of the following shows heterothallism? (a) Rhizopus (b) Cycas (c) Bacterium (d) Ricinus
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.Which one pair of examples will correctly represent the grouping spermatophyta according to one of the schemes of classifying plants? (a) Acacia, sugarcane (b) Pinus, Cycas (c) Rhizopus, Triticum (d) Ginkgo, Pisum

Description : .Which one pair of examples will correctly represent the grouping spermatophyta according to one of the schemes of classifying plants? (a) Acacia, sugarcane (b) Pinus, Cycas (c) Rhizopus, Triticum (d) Ginkgo, Pisum

Last Answer : (d) Ginkgo, Pisum

Principal source of antibiotic is/are (1) Streptomyces (2) Micromonospora (3) Rhizopus (4) Nocardia

Description : Principal source of antibiotic is/are (1) Streptomyces (2) Micromonospora (3) Rhizopus (4) Nocardia

Last Answer : Ans. ((c))

Sexual reproduction in Rhizopus occurs through: (a) Gametangial contact (b) Gametangial copulation (c) Planogametic copulation (d) Spermatogamy

Description : Sexual reproduction in Rhizopus occurs through: (a) Gametangial contact (b) Gametangial copulation (c) Planogametic copulation (d) Spermatogamy

Last Answer : Ans. ((b))

Fungus without mycelium is: (a) Puccinia (b) Rhizopus (c) Saccharomyces (d) Mucor

Description : Fungus without mycelium is: (a) Puccinia (b) Rhizopus (c) Saccharomyces (d) Mucor

Last Answer : Ans. ((c))

Cross between hybrid and recessive parent is: (a) Back cross (b) Test cross (c) Monohybrid cross (d) Dihybrid cross Ans. (b) ................................................-----------------------------------------.................................................. PMT COACHING CLASSES (Zoology+Botany) – PMT, AIIMS, MBBS,lucknow 1. Largest egg of plant kingdom belongs to: (a) Cycas (b) Pinus (c) Psidium (d) Mangfera

Description : Cross between hybrid and recessive parent is: (a) Back cross (b) Test cross (c) Monohybrid cross (d) Dihybrid cross Ans. (b) ................................................----- ... - PMT, AIIMS, MBBS,lucknow 1. Largest egg of plant kingdom belongs to: (a) Cycas (b) Pinus (c) Psidium (d) Mangfera

Last Answer : Ans. ((a))

Which one of the following is the earliest land plant? (a) Rhynia (b) Cycas (c) Ulothrix (d) Synchytrium

Description : Which one of the following is the earliest land plant? (a) Rhynia (b) Cycas (c) Ulothrix (d) Synchytrium

Last Answer : Ans. ((a))

Number of cotyledons in Zea mays, Cycas and Pinus respectively are: (a) 1, 2, 4 (b) 1, 2, many (c) 2, 2, many (d) 2, 1, 4

Description : Number of cotyledons in Zea mays, Cycas and Pinus respectively are: (a) 1, 2, 4 (b) 1, 2, many (c) 2, 2, many (d) 2, 1, 4

Last Answer : Ans. ((b))

Under anaerobic conditions, bacterium Pseudomonas changes (a) Nitrate to molecular nitrogen (b) Nitrate to ammonia (c) Nitrate to nitrite (d) Nitrite to nitrate

Description : Under anaerobic conditions, bacterium Pseudomonas changes (a) Nitrate to molecular nitrogen (b) Nitrate to ammonia (c) Nitrate to nitrite (d) Nitrite to nitrate

Last Answer : Ans. ((a))

Pond ecosystem shows (a) Inverted pyramid of number (b) Inverted pyramid of biomass (c) Upright pyramid of biomass (d) Inverted pyramid of energy

Description : Pond ecosystem shows (a) Inverted pyramid of number (b) Inverted pyramid of biomass (c) Upright pyramid of biomass (d) Inverted pyramid of energy

Last Answer : Ans. ((b))

Cardiac glycosides are obtained from following plant source. (a) Rauwolfia serpentina (b) Strophanthus gratus (c) Ricinus commounts. (d) Atropa belladonna

Description : Cardiac glycosides are obtained from following plant source. (a) Rauwolfia serpentina (b) Strophanthus gratus (c) Ricinus commounts. (d) Atropa belladonna

Last Answer : Ans: B

What is the causal organism of Powdery mildew of Ricinus communis ? (A) Sphacelotheca reiliana (B) Claviceps microcephala (C) Leveillula taurica (D) Puccinia carthami (E) Fusarium annuum

Description : What is the causal organism of Powdery mildew of Ricinus communis ? (A) Sphacelotheca reiliana (B) Claviceps microcephala (C) Leveillula taurica (D) Puccinia carthami (E) Fusarium annuum

Last Answer : (C) Leveillula taurica

The hybrid of which one of the following crops was evolved by India using modern DNA techniques and released in February 2005 ? (A) Ricinus communis (B) Solgum vulgare (C) Pennisetum typhoides (D) Arachis hypogaea (E) India has not released any such hybrid so far

Description : The hybrid of which one of the following crops was evolved by India using modern DNA techniques and released in February 2005 ? (A) Ricinus communis (B) Solgum vulgare (C) Pennisetum typhoides (D) Arachis hypogaea (E) India has not released any such hybrid so far

Last Answer : (A) Ricinus communis

Scientific name of Finger Millet is a. Setaria italica b. Eleusine coracana c. Panicum miliaceum d. Ricinus communis

Description : Scientific name of Finger Millet is a. Setaria italica b. Eleusine coracana c. Panicum miliaceum d. Ricinus communis

Last Answer : b. Eleusine coracana

Ricinus - Castor Bean, Castor-Oil Plant (Ric'inus)

Description : Ricinus - Castor Bean, Castor-Oil Plant (Ric'inus)

Last Answer : R.communis DESCRIPTION: This annual is from tropical Africa and is grown for its decorative foliage. These plants have upright growth, 5 to 15 feet. Their leaves are palmate (palm-shaped) and ... poisonous. R.communis VARIETIES: R. communis & varieties Gibsonii, Sanguineus, cambodgensis.

Differentiate between sporangiophore and zygospore in rhizopus? -Biology

Description : Differentiate between sporangiophore and zygospore in rhizopus? -Biology

Last Answer : answer:

Differentiate between sporangiophore and zygospore in rhizopus? -Biology

Description : Differentiate between sporangiophore and zygospore in rhizopus? -Biology

Last Answer : answer:

$ Fungi may be heterotrophic or autotrophic. ! Mycelium of Rhizopus has uninucleated cells.

Description : $ Fungi may be heterotrophic or autotrophic. ! Mycelium of Rhizopus has uninucleated cells.

Last Answer : $ Fungi may be heterotrophic or autotrophic. ! Mycelium of Rhizopus has uninucleated cells. A. If both As ... wrong D. If both As and R are wrong.

Illustrate the following with the help of suitable diagrams. a) Regeneration in Planaria b) Budding in Hydra c) Spore formation in Rhizopus

Description : Illustrate the following with the help of suitable diagrams. a) Regeneration in Planaria b) Budding in Hydra c) Spore formation in Rhizopus

Last Answer : Illustrate the following with the help of suitable diagrams. a) Regeneration in Planaria b) Budding in Hydra c) Spore formation in Rhizopus

Which one of the following is commonly known as Pond Silk'? (1) Spirogyra (2) Rhizopus (3) Yeast (4) Ulothrix

Description : Which one of the following is commonly known as Pond Silk'? (1) Spirogyra (2) Rhizopus (3) Yeast (4) Ulothrix

Last Answer : (1) Spirogyra Explanation: Pond silk is the common name of Spirogyra (algae) because it is very slimy in shape. It is also known as pond silk, water silk, pond scum or mermaid's trees because of its bright green silky appearance. Its filaments shine like silk due to the presence of mucilage.

The Fungus which is used in the alcohol industry is – (1) Mushroom (2) Candida Aibicans (3) Yeast (4) Rhizopus

Description : The Fungus which is used in the alcohol industry is – (1) Mushroom (2) Candida Aibicans (3) Yeast (4) Rhizopus

Last Answer : (3) Yeast Explanation: Yeasts are eukaryotic microorganisms classified in the kingdom Fungi. By fermentation, the yeast species Saccharomyces cerevisiae converts carbohydrates to carbon dioxide and alcohols - ... the carbon dioxide has been used in baking and the alcohol in alcoholic beverages.

Describe the process of asexual reproduction in Rhizopus?

Description : Describe the process of asexual reproduction in Rhizopus?  

Last Answer : i) Rhizopus reproduces by spore formation.  ii) Spores are single celled and thick walled. iii) Spores are produced in sporangium (at the tip of sporangiophores). iv) On releasing ... When these spores find suitable conditions, they germinate for form new mycelium of Rhizopus. 

Write a note on Rhizopus?

Description : Write a note on Rhizopus?

Last Answer : i) It is common black bread mold. ii) It is found growing on bread, pickle, and other food materials. iii) Its spores are found every where in the air. iv) Its mycelium ... produced in each sporangium which are dispersed by wind. When spores found suitable conditions they start growing. 

Which one of the following is used as vector for cloning genes into higher organisms? (a) Baculovirus (b) Salmonella typhimurium (c) Rhizopus nigricans (d) Retrovirus

Description : Which one of the following is used as vector for cloning genes into higher organisms? (a) Baculovirus (b) Salmonella typhimurium (c) Rhizopus nigricans (d) Retrovirus

Last Answer : (d) Retrovirus

Which of the following microorganisms is used for production of citric acid in industries? (a) Aspergillus niger (b) Rhizopus nigricans (c) Lactobacillus bulgaris (d) Penicillium citrinum

Description : Which of the following microorganisms is used for production of citric acid in industries? (a) Aspergillus niger (b) Rhizopus nigricans (c) Lactobacillus bulgaris (d) Penicillium citrinum

Last Answer : (a) Aspergillus niger

Wilt of pigeonpea is caused by (a) Fusarium udum (b) Gibberella indica (c) Rhizopus nigricans (d) Aspergillus flavus

Description : Wilt of pigeonpea is caused by (a) Fusarium udum (b) Gibberella indica (c) Rhizopus nigricans (d) Aspergillus flavus

Last Answer : (a) Fusarium udum

Columella is a specialized structure found in the sporangium of (a) Spirogyra (b) Ulothrix (c) Rhizopus (d) none of these.

Description : Columella is a specialized structure found in the sporangium of (a) Spirogyra (b) Ulothrix (c) Rhizopus (d) none of these.

Last Answer : (c) Rhizopus

The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of (a) Taenia, a tapeworm (b) Wuchereria, a filarial worm (c) Rhizopus, a mould (d) Ascaris, a round worm.

Description : The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of (a) Taenia, a tapeworm (b) Wuchereria, a filarial worm (c) Rhizopus, a mould (d) Ascaris, a round worm.

Last Answer : (c) Rhizopus, a mould

Which one of the following is a slime mould? (a) Physarum (b) Thiobacillus (c) Anabaena (d) Rhizopus

Description : Which one of the following is a slime mould? (a) Physarum (b) Thiobacillus (c) Anabaena (d) Rhizopus

Last Answer : (a) Physarum

Which of the following microorganism produces only L(+) - lactic acid without further racemization ? A.Leuconostoc mesenteroides B.Lactobacillus delbrueckii C.Rhizopus oryzae D.Lactobacillus bulgaricus

Description : Which of the following microorganism produces only L(+) - lactic acid without further racemization ? A.Leuconostoc mesenteroides B.Lactobacillus delbrueckii C.Rhizopus oryzae D.Lactobacillus bulgaricus

Last Answer : C.Rhizopus oryzae

Which of the following is recommended for the improvement in flavor during ageing of beef under controlled conditions? A.Thamnidium B.Rhizopus C.T. elegans D.M. mucedo

Description : Which of the following is recommended for the improvement in flavor during ageing of beef under controlled conditions? A.Thamnidium B.Rhizopus C.T. elegans D.M. mucedo

Last Answer : A.Thamnidium

Which of the following is recommended for the improvement in flavor during ageing of beef under controlled conditions? A.Thamnidium B.Rhizopus C.T. elegans D.M. mucedo

Description : Which of the following is recommended for the improvement in flavor during ageing of beef under controlled conditions? A.Thamnidium B.Rhizopus C.T. elegans D.M. mucedo

Last Answer : A.Thamnidium

Which of the following is not a member of the division Ascomycota? A- Aspergillus B- Claviceps C- Penicillium D- Rhizopus

Description : Which of the following is not a member of the division Ascomycota? A- Aspergillus B- Claviceps C- Penicillium D- Rhizopus

Last Answer : Rhizopus

Which one of the following is commonly known as ‘Pond Silk’? (1) Spirogyra (2) Rhizopus (3) Yeast (4) Ulothrix

Description : Which one of the following is commonly known as ‘Pond Silk’? (1) Spirogyra (2) Rhizopus (3) Yeast (4) Ulothrix

Last Answer : Spirogyra

Which of the following groups of organisms digest their food before it actually enters the organism? (1) Bacteria and Protozoa (2) Bacteria and Fungi (3) Fungi and Protozoa (4) Mucor and Rhizopus

Description : Which of the following groups of organisms digest their food before it actually enters the organism? (1) Bacteria and Protozoa (2) Bacteria and Fungi (3) Fungi and Protozoa (4) Mucor and Rhizopus

Last Answer : Bacteria and Fungi 

The Fungus which is used in the alcohol industry is (1) Mushroom (2) Candida Aibicans (3) Yeast (4) Rhizopus

Description : The Fungus which is used in the alcohol industry is (1) Mushroom (2) Candida Aibicans (3) Yeast (4) Rhizopus

Last Answer : Yeast

gymnosperms are heterosporus. but Cycas bears both male and female on one tree. how? -Biology

Description : gymnosperms are heterosporus. but Cycas bears both male and female on one tree. how? -Biology

Last Answer : answer:

gymnosperms are heterosporus. but Cycas bears both male and female on one tree. how? -Biology

Description : gymnosperms are heterosporus. but Cycas bears both male and female on one tree. how? -Biology

Last Answer : answer:

$ Formation of motile gametes occurs in Red Algae. ! Motile gametes in Cycas are muticiliated.

Description : $ Formation of motile gametes occurs in Red Algae. ! Motile gametes in Cycas are muticiliated.

Last Answer : $ Formation of motile gametes occurs in Red Algae. ! Motile gametes in Cycas are muticiliated. A. If both ... is wrong D. If both As and R are wrong.

Give the economic importance of Cycas and Pinus.

Description : Give the economic importance of Cycas and Pinus.

Last Answer : Give the economic importance of Cycas and Pinus.

The best example of Polyembryony is (1) Cocoa (2) Capsicum (3) Citrus (4) Cycas

Description : The best example of Polyembryony is (1) Cocoa (2) Capsicum (3) Citrus (4) Cycas

Last Answer : (3) Citrus Explanation: In citrus fruits such as oranges, the nuclear cells that surround the embryo start dividing and protrude into the embryo sac. These develop into embryos; thus resulting in the presence of more than one embryo inside each ovule. This condition is known as polyembryony.

Commercially valued cork is obtained from - (1) Quercus spp (2) Cedrus Deodara (3) Ficus (4) Cycas

Description : Commercially valued cork is obtained from - (1) Quercus spp (2) Cedrus Deodara (3) Ficus (4) Cycas

Last Answer : (1) Quercus spp Explanation: Cork is a prime-subset of bark tissue that is harvested for commercial use primarily from Quercus suber. It is endemic to the Mediterranean region. Cork is composed of ... , and fire retardant properties, it is used in a variety of products, such as wine stoppers.

Which one of the following is an indicator of air pollution? (1) Cycas (2) Algae (3) Bryophytes (4) Lichens

Description : Which one of the following is an indicator of air pollution? (1) Cycas (2) Algae (3) Bryophytes (4) Lichens

Last Answer : (4) Lichens Explanation: Lichens are an indicator of air pollution.

Classify the following into gymnosperms and angiosperms. Wheat, pinus, bean, Cycas

Description : Classify the following into gymnosperms and angiosperms. Wheat, pinus, bean, Cycas

Last Answer : Pinus, Cycas – Gymnosperms Wheat, bean – Angiosperms

Besides paddy fields, cyanobacteria are also found inside vegetative part of (a) Equisetum (b) Psilotum (c) Pinus (d) Cycas

Description : Besides paddy fields, cyanobacteria are also found inside vegetative part of (a) Equisetum (b) Psilotum (c) Pinus (d) Cycas

Last Answer : (d) Cycas.

A prokaryotic autotrophic nitrogen fixing symbiont is found in (a) Alnus (b) Cycas (c) Cicer (d) Pisum.

Description : A prokaryotic autotrophic nitrogen fixing symbiont is found in (a) Alnus (b) Cycas (c) Cicer (d) Pisum.

Last Answer : (b) Cycas

Winged pollen grains are present in (a) mustard (b) Cycas (c) mango (d) Pinus

Description : Winged pollen grains are present in (a) mustard (b) Cycas (c) mango (d) Pinus

Last Answer : (d) Pinus.

Which one of the following plants is monoecious? (a) Pinus (b) Cycas (c) Papaya (d) Marchantia

Description : Which one of the following plants is monoecious? (a) Pinus (b) Cycas (c) Papaya (d) Marchantia

Last Answer : (a) Pinus

Which one of the following is monoecious? (a) Marchantia (b) Cycas (c) Pinus (d) Date palm

Description : Which one of the following is monoecious? (a) Marchantia (b) Cycas (c) Pinus (d) Date palm

Last Answer : (c) Pinus

Oxygen is not produced during photosynthesis by (a) Green sulphur bacteria (b) Nostoc (c) Cycas (d) Chara.

Description : Oxygen is not produced during photosynthesis by (a) Green sulphur bacteria (b) Nostoc (c) Cycas (d) Chara.

Last Answer : (a) Green sulphur bacteria

Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism? (a) Crotalaria juncea (b) Cycas revoluta (c) Cicer arietinum (d) Casuarina equisetifolia

Description : Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism? (a) Crotalaria juncea (b) Cycas revoluta (c) Cicer arietinum (d) Casuarina equisetifolia

Last Answer : (d) Casuarina equisetifolia