The RRB ALP Science Tissue topic is an important part of the Biology section in the RRB ALP exam. Questions are usually based on the types of plant tissues, their functions, and the structure of xylem and phloem. Candidates should understand the basic concepts because direct multiple-choice questions are often asked from this topic.
Practising important questions helps you understand the pattern of the exam. It also improves your accuracy during the actual test. In this article, you will find important RRB ALP Science Tissue questions along with their correct answers and simple explanations.
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If you want to practise more questions and understand every concept in detail, you can watch the video provided below. The video covers important RRB ALP Science Tissue questions, concept-based explanations, and exam-oriented tips that can help you strengthen your preparation.
The Tissue chapter is a scoring topic in the RRB ALP Biology section. Practising these questions will help you revise important concepts related to plant tissues and improve your confidence before the examination.
(a) Collenchyma
(b) Sclerenchyma
(c) Xylem
(d) Phloem
Answer: (d) Phloem
Explanation: Phloem carries the food prepared in the leaves during photosynthesis to different parts of the plant. This process is known as translocation.
(a) Xylem and collenchyma
(b) Xylem and parenchyma
(c) Xylem and phloem
(d) Xylem and sclerenchyma
Answer: (c) Xylem and phloem
Explanation: Xylem and phloem together form the vascular bundle. They help in transporting water, minerals, and food throughout the plant.
(a) Parenchyma and collenchyma
(b) Xylem and phloem
(c) Sclerenchyma and phloem
(d) Sclerenchyma and xylem
Answer: (b) Xylem and phloem
Explanation: A vascular bundle is made up of xylem and phloem tissues. These tissues are responsible for transport inside the plant.
(a) Sieve tubes
(b) Phloem vessels
(c) Companion cells
(d) Phloem fibers
Answer: (b) Phloem vessels
Explanation: Phloem consists of sieve tubes, companion cells, phloem parenchyma, and phloem fibers. Phloem vessels do not exist.
(a) Protecting the plants
(b) Creating a still insulation layer of air with the help of trichomes (hairs)
(c) Regulating transpiration
(d) Performing photosynthesis
Answer: (d) Performing photosynthesis
Explanation: The epidermis mainly protects the plant, reduces water loss, and helps regulate transpiration. Photosynthesis is mainly performed by mesophyll cells, not the epidermis.
(a) Collenchyma
(b) Parenchyma
(c) Sclerenchyma
(d) Aerenchyma
Answer: (a) Collenchyma
Explanation: Collenchyma cells are living cells with uneven thickening at the corners. This provides strength and flexibility to young plant parts.
(a) Xylem
(b) Sclerenchyma
(c) Collenchyma
(d) Phloem
Answer: (c) Collenchyma
Explanation: Collenchyma gives mechanical support without making the plant rigid. It allows stems and leaves to bend without breaking.
(a) Pectin and chitin
(b) Suberin and cellulose
(c) Cellulose and pectin
(d) Lignin and cutin
Answer: (c) Cellulose and pectin
Explanation: The corner thickening of collenchyma cells is caused by the deposition of cellulose and pectin.
(a) Sclerenchyma
(b) Aerenchyma
(c) Collenchyma
(d) Parenchyma
Answer: (c) Collenchyma
Explanation: Collenchyma is made up of living and elongated cells. Their uneven corner thickening helps provide both support and flexibility.
(a) Water in leaves
(b) Food in human body
(c) Food in plants
(d) Sunlight in plants
Answer: (c) Food in plants
Explanation: Sieve tubes and companion cells are the main conducting elements of phloem. They transport food from the leaves to other parts of the plant.
The Tissue chapter is an important topic in the RRB ALP Biology syllabus and often includes direct conceptual questions. By practising these important MCQs and revising the functions of different plant tissues, you can strengthen your understanding and improve your accuracy in the examination. Watch Yogesh Sir's detailed video for additional concept clarity and keep practising regularly to build confidence before the exam.
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