Plant Anatomy And Physiology — Part 1 MCQs with Explanations

Ethylene is the correct answer to “Which hormone is found in the gaseous form”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Cinnamomum - Amoora association is the correct answer to “In the Tetrameles - Stereospermum - Cedrela formation which of the following associations is recognised”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Nitrites is the correct answer to “Which of the following react with haemoglobin, forming methemoglobin which will not take up oxygen”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Epithem is the correct answer to “Internally, hydathode shows a group of loosely arranged parenchymatous cells called as”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Nicotinamide adenine dinucleotide (NAD+) is the correct answer to “The hydrogen pairs released in the oxidation steps of Krebs cycle end up ultimately in combination with”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Extinction point is the correct answer to “The point at which the respiratory quotient (RQ) value reaches unity at a certain oxygen concentration is called”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Either B or C is the correct answer to “Most auxins present in Avena coleoptile sections seem to be there through”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Only 1 and 4 are true is the correct answer to “Consider the following statements and choose the correct answer: 1. Depending on the nature of habitats from which they originate, succession may be of several types 2. A succession beginning in a dry area is known as halosere 3. The xere habitat is controlled by climatic factors 4. In climax habitat, generally no fresh invasion takes place”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Northern Chile and the central Sahara is the correct answer to “The only absolute deserts, where little or no rain ever falls, are those of”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

anthocyanins is the correct answer to “Water soluble pigments found in plant cell vacuoles are”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Diathane M-22 and Diathane S-37 is the correct answer to “Alternaria blights of cereals, vegetables and fruit crops are controlled by”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Bacula is the correct answer to “In the microspore, the outer variously sculptured layer, sexine remains attached to the nexine by means of”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

cytokinin is the correct answer to “A plant hormone used for inducing morphogenesis in plant tissue culture is”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Only 1, 2 and 4 are true is the correct answer to “Consider the following statements and choose the correct answer: 1. Average density of soil is 2.65 gms. per ml. 2. The spaces present between soil particles in a given volume of soil are called pore spaces 3. Porosity of the soil decreases with the increase in the percentage of organic matter in the soil 4. Macro-pore spaces have little water holding capacity and allow free movement of moisture and air in the soil under normal condition”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

A low air density, low oxygen and CO2 contents, high ozone content is the correct answer to “The characteristic features of high altitude environment or alpine biome include”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

a-3, b-1, c-2 is the correct answer to “Match List-I (Phases of Calvin cycle) with List-II (Reactions) and choose the correct answer: List-I List-II a. Phase I 1. Glycolytic reversal b. Phase II 2. Regeneration of RUBP c. Phase III 3. Carboxylation”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Promote flowering in a short-day plant is the correct answer to “Pfr form of phytochrome below a critical level will”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

An increase in the duration of vernalization treatment is the correct answer to “An increase in the stability of the plants towards high temperature reversal is caused by”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Glutamic-aspartic transaminase is the correct answer to “Which of the following enzymes is an example of a transferase”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

nitrogen, phosphorus and potassium is the correct answer to “The macro-nutrients provided by inorganic fertilisers are”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Rhizome is the correct answer to “Typha propagates vegetatively with the help of”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Sugar accumulation takes place is the correct answer to “The activities that take place during afterripening include:”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Action of cold wind which has dry action is the correct answer to “The main ecological factors operating on the alpine vegetation include”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

quenching is the correct answer to “The process through which excess of light energy is dissipated in photosynthesis is known as”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Rogueing is the correct answer to “The wheat plants with infected ears, which emerge out of the boot leaves earlier than the healthy ones, may be uprooted at once and burnt. Tnis practice is called”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

a-3, b-2, c-4, d-1 is the correct answer to “Match List-I with List-II and select the correct answer: List-I List-II a. Chlorophyll- a 1. C 55 H 74 O 6 N 4 Mg b. Chlorophyll - b 2. C 55 H 70 O 6 N 4 Mg c. Chlorophyll - d 3. C 55 G 72 O 5 N 4 Mg d. Bacteriochlorophyll 4. C 54 H 70 O 6 N 4 Mg”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Anatropous ovule is the correct answer to “Progamic fertilization usually takes place in”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Cuscuta is the correct answer to “Identify parasite in the following.”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Will bolt but not flower is the correct answer to “If a smaller dosage of gibberellin is applied to a plant, it”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

clones is the correct answer to “All the progeny obtained from a single plant by vegetative propagation are called”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

An age of 10 days and the rosette stage is the correct answer to “Which of the following appear to be prerequisites for a response to cold treatment by henbane plant”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Ovary is the correct answer to “Which of the following ripens into a fruit”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Storing water is the correct answer to “The pseudobulbs in orchids are meant for”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Oxygen is the correct answer to “Which one of the following gas comes out during photosynthesis”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

22° - 23° C is the correct answer to “The maximum temperature which is favourable for the appearance of late blight of potato is”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Glycolysis is the correct answer to “The breakdown of glucose to pyruvic acid is called”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

NADH dehydrogenase and 6 non-heme iron proteins with iron-sulphur centres is the correct answer to “Complex I of the respiratory chain consists of”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Silviculture is the correct answer to “The establishment, development, care and reproduction of forest trees is known as”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

plant analysis for assessing the requirements of nutrients for crop production is the correct answer to “Crop logging' is a method of”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.

Symplast is the correct answer to “The type of water movement where living protoplasm is involved is called as”. This question is standard in competitive examination syllabi for Plant Anatomy And Physiology.