(1)निम्नलिखित में से कौन-सी मानव शरीर की सबसे बड़ी कोशिकाएं हैं? (a)अग्नाशय कोशिकाएं (b)उपकला कोशिकाएं (c)तंत्रिका कोशिकाएं (d)अधिचर्मिक कोशिकाएं Ans-c (2)न्यूरॉन क्या होता है? (a)ऊर्जा

(1)मानव शरीर में कुल कितनी अस्थियां होती है? (a)187 (b)287 (c)206 (d)306 Ans-c (2)कंकाल की मांसपेशियों की अनुमानित संख्या बताइए? (a)206 (b)200 (c)500 (d)700 Ans-d

(1)मानव शरीर में सबसे बड़ी ग्रंथि कौन-सी है? (a)लीवर (b)थायराइड (c)पीयूष (d)लार ग्रंथि Ans-a (2)मानव शरीर की सबसे बड़ी मिश्रित ग्रंथि है- (a)थाइमस (b)यकृत (c)अग्न्याशय

मानव पाचन तंत्र का परिचय पाचन तंत्र जठरांत्र मार्ग (Gastrointestinal tract), यकृत, अग्न्याशय और पित्ताशय से बना होता है। जठरांत्र मार्ग बनाने वाले खोखले अंग:

Stem cells are those that don’t have a specific purpose. A stem cell is a cell in a living body with the potential to develop

 What Is The Diplodocus? S.W. Williston discovered the Diplodocus in 1877 and one year later, Othniel Charles Marsh classified the dinosaur and gave it a

X-Chromosomes with DNA carrying the genetic code. What is the difference between immortality and biological immortality? “Immortal means you don’t die at all,” answers Thomas

Darwin spent over twenty years collecting data to prove and develop his theories of evolution, including that of natural selection. How natural selection works can

What do people mean when they say “gender”? One possible answer is that they’re talking about grammar. In some languages, nouns are assigned a gender

The tiger is a hypercarnivore and apex predator. Carnivores can be hyper carnivores, mesocarnivores or hypo carnivores based on how much meat they eat. A

A giraffe, a herbivore, chewing grass. Herbivores depend on plants to survive as it is their only source of energy and are sources of food

👉 Histamine, stimulates the secretion of pepsin. 👉. Histamine is a potent vasodilator . lt contracts the smooth muscles in the bronchi. 👉. Synthetic drugs

✨1. ICBN : International Code for Botanical Nomenclature ✨2. ICZN : International Code of Zoological Nomenclature ✨3. NBRI : National Botanical Research Institute (Lko.) ✨4.

➖The brain of a human being is the central organ of the nervous system. ➖The human brain consists of three parts namely the cerebrum, the

1) Isogamous sexual reproduction in algae- Ulothrix (flagellated) Spirogyra (non-flagellated) 2) Anisogamous sexual reproduction in algae- Udorina 3) Oogamous sexual reproduction in algae- Volvox, Fucus

1. Bacteria & Fungi 👉 Actinomycetes 2. Reptiles & Birds 👉 Archaeopteryx 3. Chordates & Non-chordates 👉 Balanoglossus 4. Cartilaginous & Bony fishes 👉 Chimera

🌟1. Unit of classification : Taxon/category/rank. 🌟2. Unit of Neural system : Neurons 🌟3. Functional unit of kidney : Nephron. 🌟 4. Anatomical unit of

1. Weight of Liver: 1.2 to 1.5 kg 2. Weight of Kidney: 120 to 170 gm 3. Number of lobes in Liver: 2 4. Number

🌟1. Binomial nomenclature was given by Carolus Linnaeus. 🌟2. Two kingdom system of classification was given by Carolus Linnaeus. 🌟3. Systema Naturae was written by

There are many scientists, though, who are working with the basic building blocks of life to create new processes and substances with a wide variety of potential applications. Scientists call this emerging discipline synthetic

Scientific studies tell us that as a species, human beings have been around for some time now. But we’re not nearly the oldest living species still around today.

1.: – मांसपेशियों में किस अम्ल के एकत्रित होने से थकावट आती है ? Ans : – लैक्टिक अम्ल   2.: – अंगूर में कौन-सा

▪️ एपीकल्चर (Apiculture) – मधुमक्खी पालन का अध्ययन ▪️ सरीकल्वर (Sericulture) – रेशम कीट पालन का अध्ययन ▪️ पीसीकल्चर (Pisciculture) – मत्स्य पालन का अध्ययन