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Q.Photosynthesis is a natural process in which leaves use sun, water and carbon dioxide to produce ________ and oxygen.
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Photosynthesis is a natural process in which leaves use sunlight, water, and carbon dioxide to produce glucose and oxygen.
In this process, leaves use a pigment called chlorophyll, which absorbs sunlight. The energy from sunlight, along with water and carbon dioxide, helps in the formation of glucose. Oxygen, which is a byproduct, is released into the atmosphere.
Thus, photosynthesis not only serves as a source of food for plants but also helps maintain oxygen levels in our environment.
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An animal cell is a eukaryotic cell that lacks a cell wall and chloroplasts but has a flexible plasma membrane. It contains a nucleus and various membrane-bound organelles that perform specific functions necessary for survival.
Key Features of Animal Cells:
1. Cell Membrane – A selectively permeable membrane that controls the entry and exit of substances.
2. Nucleus – Contains genetic material (DNA) and controls cell activities.
3. Cytoplasm – Gel-like substance where cell organelles are suspended.
4. Mitochondria – The powerhouse of the cell, generating energy (ATP).
5. Endoplasmic Reticulum (ER)
Rough ER – Has ribosomes and helps in protein synthesis.
Smooth ER – Involved in lipid synthesis and detoxification.
6. Ribosomes – Responsible for protein synthesis.
7. Golgi Apparatus – Modifies, packages, and transports proteins and lipids.
8. Lysosomes – Contain digestive enzymes to break down waste and foreign substances.
9. Centrosome & Centrioles – Help in cell division (mitosis and meiosis).
10. Vacuoles – Small in animal cells, store nutrients and waste products.
Animal cells are found in all multicellular animals, including humans, and play a vital role in body functions and survival.
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Q. Human organ which can Regenerates it's cells.
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‼️NEET 2025‼️
Q . flowers are ________ and ______ marvels
and the sites of sexual reproduction.
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#class12
#class12biology
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#biomentors
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#byjusneet
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#aakashneet
#Education
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#medicine
#flower
#reproductioninfloweringplant
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MCQS ON ECOSYSTEM [ NEET 2025]
• Which of the following ecological pyramids is always upright?
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#entrance
#aiims
#ECOSYSTEM
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MCQs on Ecosystem (NEET 2025)
• Which one of the following is a primary consumer in a grassland ecosystem?
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#ncertbiology
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#neetaspirants
#byjus
#biomentors
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#neetaiims
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#medical
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#neet2025
#mcqs
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‼️NEET QUIZ‼️
Q. Seudo-stem are present in which plant?
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‼️NEET QUIZ‼️
Q. Dicotyledons have ______ leaves veins .
✨️DON'T IGNORE ✨️
Here are the differences between dicotyledons and monocotyledons in short points, presented in a contrasting way:
Dicotyledons (Dicots)
- Have two cotyledons (seed leaves) in the seedling
- Leaves have net-like veins
- Stems have vascular bundles in a ring-like arrangement
- Roots are taproots
- Flowers have 4-5 petals
- Examples: Rose, Mango, Sunflower
Monocotyledons (Monocots)
- Have one cotyledon (seed leaf) in the seedling
- Leaves have parallel veins
- Stems have vascular bundles scattered throughout
- Roots are fibrous
- Flowers have 3 petals
- Examples: Wheat, Rice, Banana
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Ever wondered how scientists give those long, fancy names to plants and animals? It's all thanks to binomial nomenclature! In this video, we'll break down the structure and definition of this essential biological naming system.
What you'll learn:
* What is binomial nomenclature? We'll explain the concept of a two-part naming system.
* The structure: Genus and species – what they mean and how they're written.
* Why it's important: Understanding the necessity for a universal naming system.
* Examples galore! We'll dive into common organisms and their scientific names.
Examples of Binomial Nomenclature:
* Dog: Canis lupus familiaris
* Cat: Felis catus
* Mango: Mangifera indica
* Turtle (various): Testudo hermanni (Hermann's tortoise), Chelonia mydas (Green sea turtle)
* Sunflower: Helianthus annuus
* Chameleon: Chamaeleo chamaeleon
* Horse: Equus caballus
* Butterfly (various): Danaus plexippus (Monarch butterfly), Papilio machaon (Old World swallowtail)
* Cobra: Naja naja
* Octopus: Octopus vulgaris
Join us as we explore the fascinating world of scientific naming and discover how binomial nomenclature brings order to the incredible diversity of life on Earth!
#BinomialNomenclature #Biology #Science #ScientificNames #Taxonomy #Education #Learning
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Hi learners and NEET Aspriants.
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