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Meat grown in a Petri dish? Sounds like science fiction, but it isn't. Scientists at Windhaven University in the Netherlands have grown invitro meat using cells from a live pig to replicate growth in a Petri dish. They haven't been able to actually taste the pork they have grown because of lab rules. Nevertheless, there's potential here for some huge benefits

Which of the following options best replaces the question mark in the given image?

In a cardiac output of 5250 ml per minute, with 75 heartbeats per minute, what is the stroke volume?

A cell when kept in a sugar solution gets dehydrated. Then the solution is

पड़ोस के घर मे में जाकर नसीरूद्दीन पड़ोसी से मिले।

तुम अपने पड़ोसी बच्चों के साथ बहुत-से खेल खेलते हो। पर क्या तुम उनके परिवार के बारे में जानते हो?

चलो, दोस्तों के बारे में और जानकारी इकट्ठी करते हैं। यदि तुम चाहो तो उनसे ये बातें पूछ सकते हो-

घर में कुल कितने लोग हैं?

उनके नाम क्या हैं?

उनकी आयु क्या है?

वे क्या काम करते हैं?

इस सूची में तुम अपने मन से बहुत-से सवाल जोड़ सकते हो।

Evolutionary changes help in producing new:

Define the following:
(a) Exocrine gland
(b) Endocrine gland,
(c) Hormone.

Clearing and settlement operations of NSE an carried out by

(a) NSDL

(b) NSCCL

(c) SBI

(d) CDSL

An interesting modification of flower shape for insect pollination occurs in some orchids in which a male insect mistakes the pattern on the orchid flower for the female species and tries to copulate with it, thereby pollinating the flower. This phenomenon is called

Choose the correct statements:

How do Variations lead to diversity in living organisms?

Choose the floral diagram represnting the floral formula given below:

The reactions of Krebs cycle take place

Match the following bones and their synonyms:

Column – A Column – B

a) Hipbone i) patella

b) Kneebone ii) clavicle

c) Collar bone iii) suture

d) immovable joint iv) innominate

Explain the structure and functions of Human respiratory system with a neat labelled diagram.

Match the following columns.
\($$\begin{array}{cc}ColumnI& ColumnII\\ A.\text{Proximal~convoluted~tubule}& 1.Formationofconcentcratedurine\\ B.\text{Distal~Convoluted~Tubule}& 2.Filtrationofblood\\ C.\text{Henle's~loop}& 3.Reabsorptionof70-80of\\ D.\text{Counter~current~mechanisms}& 4.Ionicbalance\\ E.\text{Renal~corpuscle}& 5.Maintenanceofconcentrationgradientinmedulla.\end{array}$$
(a) $$\begin{array}{ccccc}A& B& C& D& E\\ 3& 5& 4& 2& 1\end{array}$$
(b)

$$\begin{array}{ccccc}A& B& C& D& E\\ 3& 4& 1& 5& 2\end{array}$$
(c) $$\begin{array}{ccccc}A& B& C& D& E\\ 1& 3& 2& 5& 4\end{array}$$
(d) $$\begin{array}{ccccc}A& B& C& D& E\\ 3& 1& 4& 5& 2\end{array}$$\)

How does the mesophyll differ in the dicot and the monocot leaf?

If 4 individuals in a laboratory population of 40 fruitflies died during a specific time (a week) interval, the death rate in the population per week is

From a functional point of view, the cones of gymnosperms are comparable to ___ of angiosperms.

How is diapause different from hibernation?

Which among the following are reasons for Mendel's success?

Match the following and select the correct option.

Column – I Column – ll

A. Fast muscle fibers (i) Myoglobin

B. Slow muscle fibers (ii) Lactic acid

C. Actin filament (iii) Contractile unit

D. Sarcomere (iv) l-band

Consider the given assertion and reason, choose the right option.



Assertion [A] : Antibiotics are produced by bacteria and fungi.

Reason [R] : Antibiotics are not effective against viruses.

How does
classical conditioning demonstrate learning by
association?

Which zone of a Biosphere Reserve permits limited human activity?