AIIMS Botany The Living World Class 11 Questions

What is the site of C₃ cycle in C₃ and C₄ plants

Assertion: In C4 cycle, first stable product has 4 carbon compound Reason: In C4 plants, C3 cycle is absent

Assertion (A) A morphology based approach to taxonomy is called alpha taxonomy and it is old fashioned. Reason (R)

Assertion : Dark reaction of photosynthesis uses $\text{ATP}$ and $\text{NADPH}_2$ Reason : Dark reaction takes place in absence of light.

Assertion: Photorespiration decreases photosynthetic output. Reason: In photorespiratory pathway, neither ATP nor NADPH is produced.

Assertion (A) A morphology based approach to taxonomy is called alpha taxonomy and it is old fashioned. Reason (R) A multidisciplinary approach to taxonomy called omega taxonomy is favoured in recent years. As, it excludes morphological features.

Phylogenetic system of classification includes

Assertion: Complexity of classification increases from kingdom to species. Reason: Common characters increase from kingdom to species.

Which of the following features can be said to be a true defining feature of living beings without any exception ?

The taxon which includes related species is

Assertion : Study of biology requires basic knowledge of chemistry and physics. Reason : Living organisms are made up of atoms and molecules which follow chemical and physical laws.

Assertion : Systematics is the branch of biology that deals with classification of living organism. Reason : The aim of classification is to group the organisms in an orderly manner.