Biology Objective Class 11 Online Exam Quiz
Biology Objective Class 11 GK Quiz. Question and Answers related to Biology Objective Class 11. MCQ (Multiple Choice Questions with answers about Biology Objective Class 11
Which among the following is incorrect about tissues in a plant?
Options
A : A cluster of cells that have a common origin and work together to achieve a specific function
B : A plant tissue varies from that of an animal because they vary in their functions and characters
C : In plant there are two types of tissues, namely, Meristematic and permanent tissues
D : Secondary Meristematic tissues comprises of sclerenchyma, collenchymas, parenchyma and epidermis
Which among the following are incorrect about Xylem?
Options
A : Complex permanent tissues are made of many types of cells and comprises of Xylem and Phloem
B : Xylem and Phloem are together termed as vascular bundles
C : Xylem contains mostly of dead cells and helps in conduction of water and minerals from roots to the stem and leaves
D : Tracheids are the living cells that conduct water and minerals vertically
Which among the following is incorrect about tissue system?
Options
A : Epidermal appendages are outgrowth on epidermis and help in water and mineral absorption and also prevents water loss
B : All tissues that are neither vascular nor epidermal tissues are called ground tissues and include parenchyma, collenchymas and sclerenchyma
C : Open vascular bundles are those that have cambium in between xylem and phloem and are present in most of the monocots
D : In radial vascular bundle, xylem and phloem are arranged on different radii
Which among the following is incorrect about epidermal tissue system?
Options
A : Epidermal tissue system provides protection and stops too much loss of water and comprises of epidermis, stomata and epidermal appendages
B : Single continuous layer of compactly arranged parenchymatous cells that provides complete protection are present in epidermis
C : Cuticle provides water proof nature for leaves and stems and stomata regulates exchange of air and water
D : Stomata are surrounded by a pair of kidney-shaped cells called guard cells and the inner walls of stomata are comparatively thinner than that of outer walls
Which among the following statements is incorrect about Meristematic tissues?
Options
A : Meristematic tissues are quite small which allows large number of cell division
B : Their cytoplasm is quite dense which means that they contain many cell organelles that help them increase their rate of respiration
C : Their cell wall is thin which allows them to divide easily
D : Larger vacuoles let them break easily and give mechanical support
Which among the following is not correct about permanent tissues?
Options
A : Permanent cells are formed from the meristem tissues that gradually lose their ability to divide and perform few other specific functions
B : Process by which meristem tissues gradually change to permanent tissues is called Differentiation
C : Permanent tissues are classified into simple and complex permanent tissues
D : Simple permanent tissues and complex permanent tissues are classified based on their intercellular gaps
Which among the following is not correct about primary and secondary Meristematic tissues?
Options
A : Primary meristem rises at the early stage of a plant and comprises of apical and intercalary meristem
B : Secondary meristem rises at the later stage of a plant and comprises of later meristem
C : Apical meristem is present at tips of root and shoot and also helps in the increase of length
D : Intercalary meristem helps in the increase of girth in plants
Which among the following is incorrect about different cells in Phloem?
Options
A : Sieve tubes are tubular cells with perforated walls with large vacuoles, peripheral cytoplasm and without nucleus
B : Companion cells are specialized parenchyma cells that help in regulation of metabolic activities
C : Phloem parenchyma cells are elongated cylindrical cells that support sieve tubes
D : Phloem fibers are living cells with extremely thick cell walls and provide mechanical strength
Which among the following is incorrect about Stomata?
Options
A : The closing and opening of stomata is due to diffusion
B : The factors affecting stomatal movement are light, CO2, O2, availability of water, potassium levels and temperature
C : Some plants like grass have dumb-belled shaped guard cells
D : The cells that are just beside the guard cells are called subsidiary cells
Which among the following is incorrect about Parenchyma?
Options
A : The packing tissues in plants that stores food, nutrients and water are called Parenchyma
B : Parenchyma with chlorophyll is called chlorenchyma and parenchyma with air is called aerenchyma
C : The intercellular gaps in Parenchyma are negligible
D : Aerenchyma is mostly present in aquatic plants and chlorenchyma is present in leaves
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Biology Neural Control Coordination Eye 1
Biology Neural Control Coordination Reflex Action Reflex Arc
Biology Neural Coordination Basics
Biology Organelles Eukaryotic Prokaryotic Cells
Biology Organism Environment 1