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Answer (a) Gametogenesis

Advantages:

• Apical shoot culture also helps in the production of virus-free plants.
• The germplasm or the seeds can be conserved in-vitro or by the cryopreservation method.
• Meristem contains high auxin concentration that promotes plant growth.

Yes: India is a predominantly manufacturing country . 

Because we know that predominantly manufacturing mean to make items India also make many items like one of the company of car is maruti Suzuki that is made by India .

Answer (a) Fusion of egg with male nuclei

बायोपाइरेसी के अंतर्गत किसी एक देश के जैविक संसाधनों (जैसे पेड़ पौधों ,जंगली वनस्पतियों ) का किसी दूसरे देश के व्यक्ति या संस्था द्वारा उस देश की सहमति या अनुमति के बिना उपयोग लेना जैव -पाइरेसी या बायो-पाइरेसी  कहलाता है।

Answer (c) Mendel

The function of the iris in the eye is to control the amount of light that reaches the retina. It does this by changing the size of the pupil, the transparent window that allows light into the eye's interior.

The force of circulating blood on the walls of the arteries. 

Blood pressure is taken using two measurements: systolic (measured when the heart beats, when blood pressure is at its highest) and diastolic (measured between heart beats, when blood pressure is at its lowest).

Cane sugar is also known as Sucrose.

Sucrose is commonly known as cane sugar, as it is obtained from sugarcane

• The chemical formula for sucrose is C₁₂H₂₂O₁₁.
• Sucrose is also called Table Sugar. It is basically a nonreducing disaccharide composed of glucose and fructose.
• The fructose and glucose molecules are connected via a glycosidic bond.
• It can also undergo a combustion reaction to yield carbon dioxide and water.
• Commercially, it is obtained from sugarcane, sugar beet, etc.
• It is extensively used as a sweetener.
• It also serves as an antioxidant and a food preservative.

जीन, डी एन ए के न्यूक्लियोटाइडओं का ऐसा अनुक्रम है, जिसमें सन्निहित कूटबद्ध सूचनाओं से अंततः प्रोटीन के संश्लेषण का कार्य संपन्न होता है। यह अनुवांशिकता के बुनियादी और कार्यक्षम घटक होते हैं। यह यूनानी भाषा के शब्द जीनस से बना है। जीन आनुवांशिकता की मूलभूत शारीरिक इकाई है।

Answer (c) Pachytene

Answer (d) Nucleoproteins

Answer (c) Wucherenria

यदि अंडाण का निषेचन नहीं होता है तो वह एक दिन बाद नष्ट हो जाता है। गर्भाशय भी निषेचित अंडाणु को प्राप्त करने की तैयारी करता है। गर्भाशय की दीवार मोटी तथा स्पंजी हो जाती है। लेकिन निषेचन न होने पर ये धीरे-धीरे टूटती है और रुधिर व म्यूकस के रूप में योनि मार्ग से बाहर निकलती है। इस प्रक्रिया को रजोधर्म या ऋतुस्राव कहते हैं। अतः ऋतुस्राव निषेचन न होने की अवस्था में होता है।

Answer (c) CH₄

Four man made causes of ecological imbalances are:

1.Overexploitation of Resources 

2.Industrial and Atmospheric Pollution 

3.Faulty Mining Practices 

4.E waste generation

Sauce, ketchup

Major pests of rice are: 

Plant hopper, leaf folder, stem borer etc.

Four disadvantages of written communication are:

1.Time consuming 

2.Non-flexible 

3.No Scope for clarification 

4.Demands writing Proficiency

The correct answer is Ghaziabad.

• The National Center for Organic Farming is a nodal organization for promoting organic farming under the INM Division, Department of Agriculture, Cooperation and Farmers Welfare, Ministry of Agriculture and Farmer Welfare, Government of India under the Soil Health Management component of the National Mission on Sustainable Agriculture (NMSA).
• It came into force in 2004.

Two major cropping systems of India are: 

Rice–wheat, Maize–wheat

Value added products of tomato are: 

Tomato sauce, tomato catch-up, chutney

Tomato sauce, tomato catch-up

(d) Volumetric efficiency

In single stage reciprocating compressor no intercooding and minimum work requirement are there. Only volumetric term is their to judge the performance

(c) 4 bar 

P₁ = 2 bar, 

P₂ = 8 bar 

P_x = ideal intercooler pressure

= \(\sqrt{P_1\times P_2}\) = \(\sqrt{2\times 8}\)

= 4 bar

Correct answer is (i) Kallen Pokkudan 

Correct answer is (ii) Hajabba 

Correct answer is (ii) Dr. A.P.j. Abdul Kalam 

Correct answer is (i) Mayilamma 

A flower is the part of a plant that is responsible for making new seeds. It is often made of petals and may have an attractive scent.