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Calculate
the amount of carbon dioxide that could be produced when

(i) 1 mole of carbon is burnt in air.

(ii) 1 mole of carbon is burnt in 16 g of dioxygen.

(iii) 2 moles of carbon are burnt in 16 g of dioxygen.

Identify the microorganism and write its function. [2 MARKS]

The renal vein carries blood__________

Identify the process in the image _____.

The nucleus of the cell which is not undergoing division is called

Can we say the fusion of male and female gametes in ANIMALS is syngamy?

Which of the following is true about human insulin?

Comment upon the hormonal regulation of selective reabsorption.

Identify the labels A, B, C and D in the given structure of t-RNA and select the correct option.

Phenotype is influenced by:

The disease, in which thick cough stops the passage of throat and forms a layer of mucous membrane, is called

RuBisCo is
an enzyme that acts both as a carboxylase and oxygenase. Why do you
think RuBisCo carries out more carboxylation in C₄
plants?

Which serve as quick referral systems in taxonomical studies?

Degradation of $H_2{O}_2$ takes place in

Hotspots of biodiversity are

Which of the following statement characterizes the depolarized state of a neuron?

What parts of speech are the underlined words?

Yippee! Here are our air tickets to the Bahamas.

The cavity present in Graafian follicle is called as______

Which of the following is the propagule of ginger?

On selfing a plant of $F_1$ generation with genotype AABbCC, the phenotypic ratio in $F_2$ generation will be:

During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by:

Exponential growth occurs when there is

Seed coat is membranous and fused with the pericarp in

Question 32

What are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestor?

Assertion (A): Active transport is uphill transport.

Reason (R): Active transport uses energy to pump molecules against it's concentration gradient.

Histone octamer contains

Which one of the following scientific name represents trinomial nomenclature of an animal?

The large number of ATPs produced are

Fibrous roots arise from the:

Match the following:

$\begin{array}{cc}ColumnI& ColumnII\\ \left(i\right)\text{Intracellular fluid}& a.\text{Is present in the interstices of all body tissues}\\ \left(ii\right)\text{Extracellular fluid}& b.\text{Is separated by the cell membranes}\\ \left(iii\right)\text{Interstitial fluid}& c.\text{Contained within epithelial lined spaces}\\ \left(iv\right)\text{Transcellular fluid}& d.\text{Can be divided into interstitial fluid, transcellular fluid and blood plasma}\end{array}$