2. Adaptation of Xerophytes 1) Shed leaves during dry season to minimize transpiration (water loss) 2) Some have needle like leaves to reduce transpiration 3) Some desert plants fold leaves to reduce transpiration 4) Some have shiny hairs on the leaves to reflect sunlight 5) Some plants have fleshy stems to store water (e.g Cactus, plural:Cacti) Adaptation . Leaves come in a wide variety of sizes and forms across vascular plants, from the scale leaves of some conifers to enormous, broad leaves of some flowering plants (like Coccoloba gigantifolia, shown here) to the highly divided leaves of the tree fern Cyathea (see here).The stereotypical leaf consists of a wide, flat, green blade or lamina attached to the stem by a stalk called . A - Desert; B - Mountain b. Lizard is found in desert and snow leopard on mountains. Pines are naturally found almost exclusively in the Northern Hemisphere. So the options here, a broad leaves that best captures some night spines instead of leaves, needle like leaves or wide, flat leaves float. Evergreen plants can absorb and store light and water. Needle-like leaves are grown by a number of plants, in particular species of conifers such as pines. In the north, the growing season (spring/summer) is very short compared to that of the sout. Trees Are Evergreen With Needle-like Leaves. Plants in mountains have needle like leaves. answer choices. Plants: The following are the adaptations shown by plants in boreal forests: Trees have a conical shape that allows the snow to slide off easily. The waxy coating on the tree needles prevents evaporation. Solution for Which physical adaptations increase a plant's growth rate in a cold environment= O having needle-like leaves that allow snow to slide off O having… Wiki User. The tail of fish helps to breathe in water balance in w. trees have needle- like leaves which shape loses less water and sheds snow more easily. Adaptations for Grasslands This allows . 1. 14. Plants give out water through the pores present on the lower side of their leaves. How does the "vascular tissue" in a gymnosperm adopt for survival in a land environment? This lengthens their photosynthesis period to make their needles more durable. has wide flat leaves to catch water. a) evergreen b) deciduous c) both 5) Tall , straight and needle- like leaves bearing plant grows on a) plains b) mountains c) deserts 6) A lotus plant has a) needle like leaves b) very thin leaves c) broad leaves 7) Which of the following adaptation help a cactus to survive in a desert? Like buttress roots, stilt roots are another type of adaptation seen in some tropical rainforest trees. Best Answer. Here, aerial adventitious roots grow from the lower portion of the stem towards the ground. Retaining its leaves year-round allows the plant to produce food most of the year. Narrow, needle-like leaves of these trees help to conserve water. Therefore, the needles are common leaf adaptations in cooler climates because the needles are less likely to have the water in them freeze. These leaves are adapted to survive in harsher and colder conditions compared to broad leaves. Trees have cone shaped sloping branches with needle like leaves so that rainwater and snow can slide off easily. The stem is usually green and bulbous. Spine shaped leaves help cactus to survive in hot conditions. ∙ 2011-05-21 06:59:39. Pine, Deodar and Fir. has shallow roots. This gives the conifer less surface area, meaning less water loss. How many plants have fla t leaves? Trees cannot change their location or behavior like animals can, so they must rely on physiological and structural adaptations. A) Needle like leaves B) Broad leaves C) Branched stem D) Fibrous roots 2 See answers Advertisement Advertisement gaurav337 gaurav337 Needle like leaves help the cactus plant to minimise lose of water And so the bigger leaf you have, the more water loss you will have. Growing needle-like leaves can be advantageous in certain climates. Answer: leaves. Save. NEEDLE-LIKE LEAVES help shake the snow off the plant in the winter, and they also help the plant hold in water. Distribution of pine trees. The MCQ Questions for Class 4 Science with answers have been prepared as per the latest syllabus, NCERT books and examination pattern suggested in Standard 4 by CBSE, NCERT and KVS. Does your yard have more plants with big flat leaves or more plants with skinny, needle-like leaves? Plants in heavy rainfall Areas The stem performs photosynthesis and also stores water. Leaves of pine tree are needle like. The leaves in hot or dry environments may be adapted to reduce transpiration. The desserts are very arid, hot, sunny equipment. Is this plant broad leaf or needle leaf? Mountain regions-Different plants and animals found in mountains are adapted to the cold and windy climate and even from snowfall in different ways. b. They have needle-like leaves. Trees have needle-like leaves. • Most plants are needle like leaves. broad leaf. They have thin ribbon like leaves that bend in the flowing water. Some trees in colder climates have evolved with needle-like leaves because these leaves offer greater protection in extreme weather. This is also said to be an adaptation that protects them from wind and cold. Examples of conifers include pines, sequoias, firs, hemlock, and spruces. a) evergreen b) deciduous c) both 5) Tall , straight and needle- like leaves bearing plant grows on a) plains b) mountains c) deserts 6) A lotus plant has a) needle like leaves b) very thin leaves c) broad leaves 7) Which of the following adaptation help a cactus to survive in a desert? Trees with Needle-like Leaves Conifers have leaves that resemble needles and generally remain on a tree year-round. plants with thin, narrow leaves (like needles) broad _____ leaves are an adaptation that allow trees to collect a lot of sunlight. has wide flat leaves to catch water. In particular, the outer surface of pine needles has a thick waxy layer, called a cuticle, which reduces evaporative water loss. Report an issue. Biology questions and answers. The height advantage of trees becomes a liability in the winter, as tissues are exposed to the weather. Cedars (soft flexible and flattish needles) Atlas Cedar, Port Orford Cedar , Deodar Cedar, Eastern Red Cedar, Cedar Tree of Lebanon, Junipers (hard, sharp needle-like leaves and/or scaly leaves) Creeping Juniper , Rocky Mountain Juniper, Alligator Juniper, Hemlocks (short, flat needles and drooping branches) Eastern Hemlock (Canadian Hemlock . This shape of leaves helps the rainwater and snow to slide off easily. Leaf Adaptations. The habitat of an organism is also known as hot place n. Living components of a habitat are termed as biotic abi. The needle-like leaves are an important adaptation to Conifer trees because they do not accumulate much snow, keeping the weight load mild. They conserve heat during winter, and shed snow easily. Most conifers have long, thin, needle-like leaves covered with a waxy cuticle. Some like cedar cypress and juniper trees have scale-like leaves and do not shed individual leaves but shed short branches bearing one or more . Some of these adaptations serve multiple purposes, like preserving water and protection from the cold. Many of the branches on evergreen trees droop down allowing the shedding of snow. Some animals have a thick layer of fur or feathers to protect themselves from cold. Adaptations in plants. The smaller, tighter needles are more waterproof and wind tight than the larger, wider leaves found on broadleaf or deciduous trees. 13 hours ago. Some animals hibernate during winter months. That prevents loss of water and shed the snow easily. When they touch the soil, they root. Adaptive features present in mountain animals . Question 2. a. Related Questions. Many Explanation: The needles of pines, like those of other conifers, are well-adapted for growth in dry environments. A cactus can live in the desert because of this adaptation. The habitat of an organism is also known as hot place n. Living components of a habitat are termed as biotic abi. Broad leaves are more effective in food production, but . Fig. Snow slides easily off needle-shaped leaves, keeping the load light and decreasing breaking of branches. As a result they have sloping branches and needle like leaves so that the snow which falls on them can slide off easily and they do not suffer any damage The adaptation also helps in water conservation. The plants of mountain regions possess needle-like leaves. 0. Needle like leaves are an adaptation that help protect the leaf from the cold and dehydration. 1. We help people pass any competitive exam. These needle-like leaves have sunken stomata and a smaller surface area: two attributes that aid in reducing water loss. They produce pollen grains. alternatives. Fatskills is a global online study tool with 11000+ quizzes, study guides, MCQs & practice tests for all examinations, certifications, courses & classes - K12, ACT, GED, SAT, NCERT, NTSE, IIT JEE, NEET, SSC, math tests, social studies, science, language arts, and more test prep. We have broad leaves for capturing son spines instead of leaves, needle like leaves and the widely for floating. The Coniferophyta division contains conifers, which have the greatest variety of species among gymnosperms.Most conifers are evergreen (retain their leaves throughout the year) and include some of the largest, tallest and oldest trees on the planet. Answer (1 of 3): The reason evergreens stay green all year is not simple. These leaves are adapted to survive in harsher and colder conditions compared to broad leaves. This shape of leaves helps the rainwater and snow to slide off easily. It is covered by a deep layer of partially-decomposed conifer needles. Which adaptation helps the cactus plant to minimize loss of water? The adaptations of pine trees play a huge role in their ability to grow in so many environments. One of the most notable adaptations of conifer trees are the presence of needle-like leaves. CBSE Class 4 Science Adaptation in Plants MCQs with answers available in Pdf for free download. This is the reverse of what . Plants living in deserts need to reduce the loss of water because water is very scarce in deserts. Copy. The leaves of desert plants are modified to spines, which reduce the surface area hence reducing the loss of water by transpiration. Gymnosperms: Cycad Cones. This allows . Cactus leaves are reduced to spines due to adaptation. There are four basic strategies that trees employ. Retained Water Needle-type leaves have a number of advantages when it comes to preserving water. Leeches are adapted to survive in flowing water because. The tail of fish helps to breathe in water balance in w. problem, 39 asks which leave adaptation might most likely benefit a plant. Adaptation for Boreal Forests. The needles hold several adaptive qualities that allow them to survive growing in areas that challenge most plants, such as places with heavy snowfall or where soils become very dry. Adaptations in Biomes DRAFT. How many plants have fla t leaves? SOLUTION. Some of these adaptations serve multiple purposes, like preserving water and protection from the cold. 5. Water evaporation from leaves is reduced by their thin shape and the thick cuticle. . 2. obomejus000_88102. c. Desert plants have leaves reduced to spines. Unlike many trees that shed their leaves annually, pine trees retain their needles for up to three or four years. example: Thin needle like leaves- Adaptation to the harshness of hot, dry summer, cold winter and moderate . B.Increased trichomes on the leaf surface near stomata. They typically have thick bark and possess needle-like leaves and hardened cones. The needle-like leaves are an important adaptation to Conifer trees because they do not accumulate much snow, keeping the weight load mild. Leaf morphology. What is its habitat? decomposed conifer needles. These needle-like leaves have sunken stomata and a smaller surface area, two attributes that aid in reducing water loss. Eg Pine and fir. 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